More vowel sounds

OO words

The vowel team oo makes two sounds: the long sound in moon and the short sound in book. The spelling is the same, so sorting by sound helps reading more than spelling.

Sound
/oo/ as in moon and /oo/ as in book
Usually taught
1st–2nd grade
Words on this page
24 in 2 lists

OO words: word lists

Practice a list online (each word is read aloud), or open it in the worksheet maker to print a test, word search, or look-cover-write-check sheet.

oo as in moon

12 words
  • moon
  • soon
  • food
  • pool
  • room
  • zoo
  • boot
  • tooth
  • spoon
  • broom
  • school
  • noon

oo as in book

12 words
  • book
  • look
  • cook
  • took
  • good
  • wood
  • foot
  • hook
  • wool
  • stood
  • shook
  • brook

How the pattern works

Both sounds are spelled oo, so once a child hears either sound in the middle of a short word, oo is a good first guess.

Some words vary by accent (room, roof). Use the sound your family uses.

School has a surprise: the ch says /k/.

Common mistakes

  • Writing u for the short sound: “buk,” “gud.”
  • Writing ew or ue in the middle of a word: “mewn.” Those teams usually go at the end.
  • Writing “skool” for school.

Practice ideas

  • Sort by sound: moon words and book words.
  • Make rhyming chains: book, look, cook, took, hook, shook.

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