ratsvsroisConfusable pair

Which to use

“rats” and “rois” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#8,022
“rats” frequency rank
#4,283
“rois” frequency rank
12305
confusion score

Side-by-Side Comparison

Feature rats rois
Definition Pluriel de rat. Pluriel de roi.

Where the eye mixes rats and rois

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
rats
4 ch
rois

Why the eye confuses rats with rois

A purely visual mix-up. rats (\ʁa\) and rois (\ʁwa\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 12305, derived from the frequency rank of both members and their visual similarity.

rats is recorded at frequency rank #8,022, classified as anoun, pronounced \ʁa\. rois is at rank #4,283, tagged as anoun, pronounced \ʁwa\.

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 12305, this pair ranks #405,806 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of rats vs rois

Shared letters: rs. Private to "rats": at. Private to "rois": io.

"rats" · 4 letters · shape CVCC  ·  "rois" · 4 letters · shape CVVC

Known mistypes of this pair

  • ratsrast · ratss · ratts · rrats · rtas
  • roisoris · roiss · rosi · rrois

Frequently Asked Questions

Can "rats" and "rois" be used interchangeably?
No. They are said differently (\ʁa\ versus \ʁwa\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "rats" or "rois"?
"rois" is the more common of the two: it sits at frequency rank #4,283 in our French list, against #8,022 for "rats". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "rats" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rois" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #405,806 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rats" and "rois" also get mixed up with nearby pairs, the highest-scored neighbour is "rats vs Rhys". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #405,806 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