Useful Nouns That Start With O (English Vocabulary)

Nouns That Start With O (English Vocabulary) – Are you searching for an alphabet of nouns that begin with O? There are a variety of words that begin with the letter O within the English language. 

Don’t fret, though. We don’t want you to simply take our words for it. Instead, you should continue reading to following section. This is a list of diverse nouns that begin at the letter O.

Also Read: List of 150 Examples of Homophones

Table of Contents

• Nouns that Start with the letter O.
• What are the Nouns that Start with O?
• Common Nouns Beginning with the letter O.
• Abstract Nouns Beginning with the letter O.
• Positive Nouns that Begin with the letter O.
• Proper Nouns That Begin with the letter O.
• A List of Words Beginning with the letter O.
• Nouns that begin with the letter O and have Meanings
• Nouns Beginning with O. Image
• Resources related with O Nouns

Also Read: English Exercises PDF Free Download

Nouns That Start With O (English Vocabulary) –

What are the Nouns that Start with the letter O?

Nouns That Start With O (English Vocabulary) – O isn’t a word that people imagine words beginning with. In fact, you may think that there aren’t a lot of verbs, nouns, or adjectives that start with the 15th letter in the alphabet. 

But, there are a lot of nouns that begin with O Some common examples are ocean, octopus onion opera, office, oven orchid, orb oyster, and observatory.

Common Nouns That Begin with the letter O.

Nouns	Examples
Oak	It was an Oak tree was over three hundred years old.
Oar	He made use of an an oar in order to paddle the ship.
Oasis	This oasis offered a much-needed break from the scorching desert heat.
Oat	The farmer had planted Oats across the land to provide for his animals.
Oath	He signed an swearing to be truthful in the court.
Obelisk	The Obelisk was a prominent feature in the square of the city.
Object	She took her item and inspected it carefully.
Obligation	It’s my duty to care for my parents who are elderly.
The Observation	With meticulous study, she was able to recognize her bird’s species.
Observatory	The observatory was outfitted with modern telescopes.
Obstacle	The tree that fell proved to be an obstacle to our way.
Occasion	We dressed to impress to celebrate the celebration.
Occupation	His job was firefighter.
Ocean	The ocean spread out in front of them, huge and blue.
Octave	The song was composed in the high Octave.
Octopus	The Octopus changed color to blend into the surrounding environment.
Odor	The stink emanating from the garbage can was insufferable.
Offense	Team’s offensive force was far too potent for the opposition team to take on.
Office	Her job was in a bustling office in downtown.
Officer	A police officer took over the speeding vehicle.
Official	An announcement was made in the official statement was announced during an event for press.
Oil	The car required to have an oil change.
Okra	She cooked the Okra till it became crisp as well as golden brown.
Olive	The salad was topped with ripe olives and green olives.
Omen	The black cat that crossed their path was believed to be an indicator for bad luck.
Onset	The beginning of winter was marked by cold conditions and snow.
Opera	The opera was a spectacular production, with extravagant costume and set.
Operation	Surgery procedure was a huge success.
Operator	It was the call operator linked the call to the appropriate department.
Opinion	Everyone has the right to their individual opinions.
Opportunity	The job posting was viewed as an chance to further her career.
Opposition	The opposition party had different opinions about how to govern the country.
Option	The menu also had the option of a vegetarian selection.
Orange	It was a delicious citrus was sweet and juicy.
Orbit	This satellite was on an unchanging space orbit about the Earth.
Orchestra	The orchestra performed a stunning orchestral symphony.
Order	She made the request for pizza that included an extra cheese.
Ordinary	The day was a normal regular day. Nothing special occurred.
Organ	Organ was the largest instrument in church. organ was the most powerful musical instrument used in churches.
Organization	The organisation was devoted to helping people who are in need.
Origin	The source of this custom is a mystery.
Ornament	Christmas trees were decorated using vibrant ornaments to mark the Christmas season.
Orphan	The orphan was adopted by a family who was kind and caring.
Ostrich	The Ostrich is the biggest bird in the world.
Other	The other members members of this group of doctors were also physicians, however the man was a lawyer.
Otter	The fun-loving Otter played into the water.
Results	The results of this election surprised many.
Outlet	The lamp was plugged into the electric outlet.
Oval	The race track will be one oval which measures 400 meters long.
Oven	She baked Cookies in her in the oven.
Owl	The Owl was quiet in the dark.
Owner	The owner of the shop greeted clients with a smile.
Ox	The Oxen helped pull the cart up the hill.
Oxygen	The doctor prescribed her the dose of oxygen to aid her breathing.

Abstract Nouns That Start With O (English Vocabulary) –

Nouns	Examples
The objective	The news should be presented with impartiality and an impartiality.
Oblivion	The legendary singer was pushed into in obscurity because of his sexy behavior.
Obscurity	The work of the author remained in the shadows till it was found out several years after.
Watching	The scientist conducted a thorough study on the behaviour of monkeys.
Occasion	It was joyful celebration for the entire family.
Odyssey	The book tells the tale of an epic voyage through the sea.
Offense	The athlete was apologetic for the unintentional mistake against the team he was playing.
Offering	The congregation members carried offering to the altar during the service.
Offspring	The proud parents sat back as their children completed their college education.
Oneness	The spiritual leader talked about the importance of having an awareness of connection in the world.
Openness	The supervisor encouraged an atmosphere that promoted transparency and transparency within the workplace.
Opportunity	The scholarship offered the possibility for students to go to the college of their choice.
Opposition	The two groups are currently in the opposition in a number of areas.
Optimism	Despite the defeats the team continued to have an positive perspective for their future.
Option	The menu included an vegetarian option for those who do not eat meat.
Order	We were served by a waiter who took our orders and delivered our food on time.
Organization	The non-profit group was able to offer assistance to people who are in need.
Orientation	The new employees were given the introduction to the company’s policies, procedures and guidelines.
Originality	The work of the artist was praised for its uniqueness and originality.
Results	The results from the test was surprising and shocking.
Outrage	Community members expressed anger at the injustice done to the person who was victimized.
Outset	The project was not without its issues at the beginning but ultimately was very successful.
Ownership	The firm asserted that it was the owner in the intellectual rights for the software.

Positive Nouns that Start with the letter O.

Noun	Examples
Oasis	The oasis was a welcome refuge from the scorching desert heat.
Oblivion	He was drunk to infinity and forgot about all his issues.
Obsession	He was an avid fitness enthusiast. passion with fitness inspired him to become personal trainer.
Occasion	It was joyful event for everyone who was there.
Ocean	The ocean was tranquil and calm and the sun was setting over it.
Odyssey	Epic Odyssey was a journey that took the hero through a myriad of difficulties and trials.
Offering	The church took contributions to benefit members of the community.
Offspring	The proud parents displayed the proud parents’ children to all their acquaintances.
Omega	Omega: The omega symbolizes the finality of something and the start of something else.
Oneness	Yoga’s philosophy emphasizes the unity of mind and body.
Opal	The model wore a stunning Opal necklace that sparkled in the sunlight.
Openness	The company’s culture promoted transparency and integrity within employees.
Opulence	The hotel was renowned for its lavishness and lavish facilities.
Oracle	It was believed that the Oracle said that the King would emerge victorious in the battle.
Orbit	The satellite was positioned in geostationary orbit around the earth.
Order	Judge handed down the judge with an order that the defendant make restitution towards the person who was harmed.
Orgasm	The couple was enthralled in their simultaneous and explosive orgasm.
Origin	The beginning to the universe’s existence is a topic of deep debate in the field of science.
Ornament	It was decorated with stunning decorations as well as lights.
Ovation	The audience gave him a the standing applause for his impressive performance.
Overcomer	Cancer patients are an over-the-top person who did not let the cancer take her away.
Overflow	The river was subject to the occurrence of an overflow due to the heavy rains, which caused flooding in the surrounding areas.
Overjoyment	The little one was brimming with joy at Christmas time.
Ownership	The company’s ownership for the business changed following an hostile takeover.
Oxymoron	“Jumbo shrimp” is an illustration of an “oxymoron,” where two opposing words are paired.

Proper Nouns That Start With O (English Vocabulary) –

• Ohio
• Oklahoma
• Olympus
• Oman
• Oprah
• Orange County
• Oregon
• Orlando
• Osaka
• Oslo
• Oxford
• Oxfam
• Oreo
• Oakley
• Oakland
• Ocean City
• Ocean Spray
• Oceania
• Odyssey
• Othello
• Ozark
• Ozaukee County
• Ozzy Osbourne

List of Nouns That Start with the letter O.

• Oak
• Oasis
• Oath
• Oathe
• Oatmeal
• Obedience
• Obelisk
• Obesity
• Object
• Objectification
• Objection
• Goal
• The objective
• Objection
• Obligation
• Oblige
• Obliteration
• Oblivion
• Oboist

Also Read: Describing Words Good – Learn Islam

Nouns That Start With O (English Vocabulary) & with Meanings

Oak

Naturally, nouns beginning with O come in a variety of dimensions and shapes. The word “oak” is a simple three-letter word that is the name used to describe the tree. In addition, the term can be used to refer to the wood of an oak tree too.

Oasis

Music lovers, we’re discussing the group Oasis however, it is a noun. The oasis we’re referring to is a fertile space in a dry area. People who come across such areas typically never want to leave since they’re serene, beautiful and relaxing.

Ohio

Ohio is just one of the fifty states in the United States. It’s not a tiny area also, and you’ve probably heard the term before. The research shows that Ohio encompasses 44.825 sq miles. It had the total of 11.80 million by 2020. But that number likely would have risen to the present and what reason wouldn’t it? Many people flock to this place because of the weather and for the Pro Football Hall of Fame and the Rock and Roll Hall of Fame.

Office Nouns That Start With O (English Vocabulary)

The next item in this listing of adjectives which begin by O includes the term office. A workplace is that people use to carry out tasks. It is typically someplace other than their home, however people who work remotely often have their own offices also.

Okra Nouns That Start With O (English Vocabulary)

The okra plant produces long edible pods with beaked ends. The pods can be consumed on its own because some people like eating it cooked. Others incorporate okra into meals like gumbo and stew of vegetables.

A Few Last Thoughts

Nouns That Start With O (English Vocabulary) – So, as you see, there’s a lot of nouns beginning with O. The ones we have listed here don’t get to the top of the list. 

If you’d like to know more about other people, enter some keywords and do the Google search. Do you not care about technology? That’s fine. Visit the library, or take your old, dusty dictionary from the bookshelf to look around to see what you can find.

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Whole NOUNS LIST For Kids