choo
/tʃuː/noun
choo is spelled C-H-O-O: 4 letters and one syllable. It appears 1.9 times per million words in written English, the 20,101st most frequent word form (wordfreq, 2021 data). As a noun, choo means “The sound of a locomotive whistle” (English Wiktionary, September 2026). The plural of choo is choos.
How many letters and syllables are in choo?
| Letters | 4: C-H-O-O |
|---|---|
| Syllables | 1 (from its American pronunciation) |
| In writing | 1.9 times per million words; the 20,101st most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is choo?
Choo appears 1.9 times per million words in written English, the 20,101st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce choo?
- /tʃuː/
Choo has one syllable (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-choo.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with choo?
No other word on PlainSpell ends in the same sounds as choo.
Spelled with the same letters in another order: coho.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of choo
- choos plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does choo mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The sound of a locomotive whistle.
We could hear the choo choo choo
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).