requinvsrouquinWhat's the difference?

Quick tell: requin is a noun, rouquin is an adjective, so they fill different roles in a sentence.

Which to use

“requin” is a noun and “rouquin” is an adjective - they look or sound alike but fill different roles in a sentence.

#9,907
“requin” frequency rank
#41,509
“rouquin” frequency rank
51416
confusion score

Side-by-Side Comparison

Feature requin rouquin
Definition Espèce de poisson de mer prédateur de la classe des chondrichthyens (Chondrichthyens), à la silhouette fuselée, hydrodynamique, ayant plusieurs rangées de dents tranchantes à chacune des 2 mâchoires, une nageoire dorsale, deux pectorales, et une nageoire caudale hétérocerque (asymétrique), ayant cinq à sept fentes branchiales sur le côté, et une peau rugueuse (denticules dermiques). De la couleur roux.

Where the spellings diverge

Shared letters are muted; the letters that actually set requin and rouquin apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

6 ch
requin
7 ch
rouquin

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: requin is \ʁə.kɛ̃\ while rouquin is \ʁu.kɛ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 51416, derived from the frequency rank of both members and their visual similarity.

requin is recorded at frequency rank #9,907, classified as anoun, pronounced \ʁə.kɛ̃\. rouquin is at rank #41,509, tagged as anadj, pronounced \ʁu.kɛ̃\.

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 51416, this pair ranks #155,150 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of requin vs rouquin

Shared letters: inqru. Private to "requin": e. Private to "rouquin": o.

"requin" · 6 letters · shape CVCVVC  ·  "rouquin" · 7 letters · shape CVVCVVC

Known mistypes of this pair

  • requinerquin · reqiun · reqquin · requinn · requni · reuqin · rqeuin · rrequin
  • rouquinoruquin · roquuin · rouqiun · rouqquin · rouquinn · rouquni · rouuqin · rrouquin

Frequency comparison

requin#9,907
rouquin#41,509

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "requin" and "rouquin" be used interchangeably?
No - they are not even the same part of speech. "requin" is a noun and "rouquin" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "requin" or "rouquin"?
"requin" is the more common of the two: it sits at frequency rank #9,907 in our French list, against #41,509 for "rouquin". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering requin vs rouquin

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “requin”; for an adjective, it's “rouquin”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “requin” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list