There are tons of words that people learn about every day, so it’s confusing for some to identify whether these words are nouns, adjectives, or verbs. But, we listed the top 10 nouns that end in O and you’ll notice that they are all singular nouns, so check them out below!
Most of the Nouns That End in an O are Singular (in Alphabetical Order)
Argo
Meaning:
(Noun) A formerly large constellation situated between Canis Major and Southern Cross.
Example: Why did they divide Argo into three different constellations? It looks cool as a whole.
Cameo
Meaning:
(Noun) A small role in a film that is played by an A-list star. It is also a piece of jewelry with an oval shape with a painting or image of a person in the middle.
Example: This movie has a great cameo and this is what people are waiting for.
Duo
Meaning:
(Noun) A duo is also known as a duet or a pair of people or things that is usually found in theater arts.
Example: You two are the star duo of the season, so break a leg!
Echo
Meaning:
(Noun) A soft sound that is a repetition of an original sound due to the reflection of sound waves that bounces off the surface.
Example: You can produce an echo in this part of the cave.
Kilo
Meaning:
(Noun) A unit of measurement in the metric system that consists of 1,000 grams.
Example: How much is a kilo of ham these days?
Lasso
Meaning:
(Noun) A rope with a noose tied to the end that is used to catch animals like bulls.
Example: Can you help me learn how to tie a lasso?
Memento
Meaning:
(Noun) A thing that is kept as a souvenir to remind a person of a special occasion he or she attended.
Example: I’ll keep this glass as a memento of this wonderful holiday.
Rodeo
Meaning:
(Noun) An event that features calf riding, bronco riding, steer wrestling, and many more.
Example: I heard that there will be a rodeo next year
Turbo
Meaning:
(Noun) A vehicle with a turbo-charger for ultra-fast speed.
Example: I upgraded my car and added a turbo so I can compete next year.
Voodoo
Meaning:
(Noun) A religious practice in the Caribbean inspired by Catholic rituals and African magical rites.
Example: Why are you so enthralled be voodoo?