cabvscyWhat's the difference?

Quick tell: cab is a noun, cy is an adverb, so they fill different roles in a sentence.

Which to use

“cab” is a noun and “cy” is an adverb - they look or sound alike but fill different roles in a sentence.

#22,504
“cab” frequency rank
#27,395
“cy” frequency rank
49899
confusion score

Side-by-Side Comparison

Feature cab cy
Definition Taxi britannique. Ci.

Letter map: cab vs cy

Shared letters muted; letters that set cab and cy apart highlighted. Shared run: 1.

3 ch
cab
2 ch
cy

Part-of-speech tell for cab / cy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cab is anoun and cyanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49899, derived from the frequency rank of both members and their visual similarity.

cab is recorded at frequency rank #22,504, classified as anoun, pronounced \kab\. cy is at rank #27,395, tagged as anadv.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 49899, this pair ranks #166,992 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cab vs cy

Shared letters: c. Private to "cab": ab. Private to "cy": y.

"cab" · 3 letters · shape CVC  ·  "cy" · 2 letters · shape CV

Frequently Asked Questions

Do "cab" and "cy" mean the same thing in a sentence?
No - they are not even the same part of speech. "cab" is a noun and "cy" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "cab" or "cy" show up more?
"cab" is the more common of the two: it sits at frequency rank #22,504 in our French list, against #27,395 for "cy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "cab" and "cy".

  • Full dictionary entry for "cab" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #166,992 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cab" and "cy" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs cy". Nearby pair

Confusion rank #166,992 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list