CMUvscupConfusable pair

Which to use

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

#34,937
“CMU” frequency rank
#8,225
“cup” frequency rank
43162
confusion score

Side-by-Side Comparison

Feature CMU cup
Definition Couverture médicale universelle. Cup menstruelle.

Where the eye mixes CMU and cup

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. CMU (CCV) and cup (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
CMU
3 ch
cup

Why the eye confuses CMU with cup

A purely visual mix-up. CMU (\se ɛ.m‿y\) and cup (\kœp\) 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 43162, derived from the frequency rank of both members and their visual similarity.

CMU is recorded at frequency rank #34,937, classified as anoun, pronounced \se ɛ.m‿y\. cup is at rank #8,225, tagged as anoun, pronounced \kœp\.

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 43162, this pair ranks #220,172 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of CMU vs cup

Shared letters: cu. Private to "CMU": m. Private to "cup": p.

"CMU" · 3 letters · shape CCV  ·  "cup" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "CMU" for "cup" ever safe?
No. They are said differently (\se ɛ.m‿y\ versus \kœp\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "CMU" or "cup"?
"cup" is the more common of the two: it sits at frequency rank #8,225 in our French list, against #34,937 for "CMU". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "CMU" and "cup" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "CMU" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #220,172 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "CMU" and "cup" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CMU". Nearby pair

Confusion rank #220,172 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