Words that Start with O


Words that Start with OA

Words that Start with OB

Words that Start with OC

Words that Start with OD

Words that Start with OE

Words that Start with OF

Words that Start with OG

Words that Start with OH

Words that Start with OI

Words that Start with OK

Words that Start with OL

Words that Start with OM

Words that Start with ON

Words that Start with OO

Words that Start with OP

Words that Start with OQ

Words that Start with OR

Words that Start with OS

Words that Start with OT

Words that Start with OU

Words that Start with OV

Words that Start with OW

Words that Start with OX

Words that Start with OY

Words that Start with OZ

Words that Start with O

 

 

Verbs that begin with O

  • Action verbs – officiate, ostracize
    • Officiate – to act or lead in a ceremony, such as a wedding or graduation; to referee or judge a game. The word originates from Medieval Latin officiatus (past participle of officiare to serve); first used around 1623. It is pronounced \uh-fish-ee-eyt\.
      • My mom is an ordained pastor, so she has been asked to officiate at a wedding.
    • Ostracize – to shun; exclude someone from a group. The word originates from Greek ostrakizein to banish by voting with potsherds, from ostrakon shell, potsherd; first used in 1649. It is pronounced \os-truh-sahyz\.
      • I don’t like it when my friends ostracize the new kids, so I always try to make up for it by showing them around the school.

 

Nouns that begin with O

  • Objects – obelisk, oscillator
    • Obelisk – a four-sided, tall smooth column with a slanted, pointed top. The word was first used in 1569. It is pronounced \ob-uh-lisk\.
      • The Washington Monument is a famous obelisk.
    • Oscillator – an object or machine that moves back and forth. The word was first used in 1835. It is pronounced \os-uh-ley-ter\.
      • The oscillator in my wall clock stopped, so now the time is stuck at 3:23.

 

 

Adverbs that begin with O

  • odiously, ostensibly
    • Odiously – to do something in a hateful or offensive manner. The word was first used in the 14th century. It is pronounced as \oh-dee-uhs-lee\.
      • My new boss speaks odiously to me every time I make a mistake.
    • Ostensibly – pretending; putting on appearances; apparently. The word was first used around 1765. It is pronounced \o-sten-suh-blee\.
      • Ostensibly, we are learning how to take notes while listening, but we’re really just watching a movie today.

 

Pronouns that begin with O

  • ourselves
    • Ourselves – a reflexive form of the pronoun we. It is a compound word formed from our and the plural form of self. It was first used around the 15th century. It is pronounced \ahr-selvz\.
      • When we got our bikes, we realized that we would have to put them together ourselves, since our dads were not home.

 

Prepoitions that begin with O

  • On, over
    • On – to be touching something; to be in contact with. The word was first used in the 12th century. It is pronounced as \awn\.
      • The toy I was looking for was on the floor under the table.
    • Over – to be above something else. The word is akin to Old High German ubar (preposition) above, beyond, over; first used in the 12th century. It is pronounced as \oh-ver\.
      • When we were flying our kites, they went over the building and got stuck on the rooftop.

 

Conjunctions that begin with O

  • or
    • Or – a conjunction to indicate choices, alternatives. The word originates from Middle English, alteration of other; first used in the 12th century. It is pronounced \awr\.
      • We could go to the movies, or we could stay home and watch the movie marathon.

 

Interjections that begin with O

  • oh, oops
    • Oh – expression of slight surprise, sadness, or disappointment. The word was first used around the 13th century. It is pronounced as \oh\.
      • “Oh, I thought we were going out to dinner.”
    • Oops – used to express dismay at a small mistake or error, blunder. The word has uncertain origins; first used around 1933. It is pronounced as \oo ps\.
      • “Oops, I dropped the plate I was drying.”

 

The letter O is one of the more popularly used letters of the alphabet since it’s a vowel. It may be found at the beginning, in the middle, and at the end of many commonly used words.

 

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