MCAvsmsConfusable pair

Quick tell: MCA is a noun, ms is a symbol, so they fill different roles in a sentence.

Which to use

“MCA” is a noun and “ms” is a symbol - they look or sound alike but fill different roles in a sentence.

#37,916
“MCA” frequency rank
#6,112
“ms” frequency rank
44028
confusion score

Side-by-Side Comparison

Feature MCA ms
Definition Abréviation de méthode des coûts par activité. Symbole de la milliseconde, unité de mesure de temps du Système international (SI), valant 10⁻³ seconde.

Letter map: MCA vs ms

Shared letters muted; letters that set MCA and ms apart highlighted. Shared run: 1.

3 ch
MCA
2 ch
ms

Role in the sentence - MCA and ms

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: MCA is anoun and msasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44028, derived from the frequency rank of both members and their visual similarity.

MCA is recorded at frequency rank #37,916, classified as anoun, pronounced \ɛm.se.a\. ms is at rank #6,112, tagged as asymbol.

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 44028, this pair ranks #213,594 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of MCA vs ms

Shared letters: m. Private to "MCA": ac. Private to "ms": s.

"MCA" · 3 letters · shape CCV  ·  "ms" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "MCA" for "ms" ever safe?
No - they are not even the same part of speech. "MCA" is a noun and "ms" a symbol, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "MCA" or "ms" show up more?
"ms" is the more common of the two: it sits at frequency rank #6,112 in our French list, against #37,916 for "MCA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "MCA" and "ms".

  • Full dictionary entry for "MCA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ms" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #213,594 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "MCA" and "ms" also get mixed up with nearby pairs, the highest-scored neighbour is "MCA vs MWh". Nearby pair

Confusion rank #213,594 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