raysvsrusConfusable pair

Which to use

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

#38,501
“rays” frequency rank
#37,537
“rus” frequency rank
76038
confusion score

Side-by-Side Comparison

Feature rays rus
Definition Pluriel de ray. Pluriel de ru.

Where the eye mixes rays and rus

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

4 ch
rays
3 ch
rus

Why the eye confuses rays with rus

A purely visual mix-up. rays (\ʁɛ\) and rus (\ʁy\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 76038, derived from the frequency rank of both members and their visual similarity.

rays is recorded at frequency rank #38,501, classified as anoun, pronounced \ʁɛ\. rus is at rank #37,537, tagged as anoun, pronounced \ʁy\.

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 76038, this pair ranks #32,291 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rays vs rus

Shared letters: rs. Private to "rays": ay. Private to "rus": u.

"rays" · 4 letters · shape CVVC  ·  "rus" · 3 letters · shape CVC

Known mistypes of this pair

  • raysarys · rasy · rayss · rayys · rrays · ryas

Frequently Asked Questions

Is swapping "rays" for "rus" ever safe?
No. They are said differently (\ʁɛ\ versus \ʁy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "rays" or "rus"?
"rus" is the more common of the two: it sits at frequency rank #37,537 in our French list, against #38,501 for "rays". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "rays" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,291 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rays" and "rus" also get mixed up with nearby pairs, the highest-scored neighbour is "rays vs roya". 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 #32,291 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