Which to use
“ms” is a symbol and “must” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,112
- “ms” frequency rank
- #16,189
- “must” frequency rank
- 22301
- confusion score
Side-by-Side Comparison
| Feature | ms | must |
|---|---|---|
| Definition | Symbole de la milliseconde, unité de mesure de temps du Système international (SI), valant 10⁻³ seconde. | Devoir incontournable ; obligation sociale. |
Letter map: ms vs must
Shared letters muted; letters that set ms and must apart highlighted. Shared run: 2.
Role in the sentence - ms and must
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ms is asymbol and mustanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 22301, derived from the frequency rank of both members and their visual similarity.
ms is recorded at frequency rank #6,112, classified as asymbol. must is at rank #16,189, tagged as anoun, pronounced \mœst\.
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 22301, this pair ranks #358,733 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ms vs must
Shared letters: ms. Private to "ms": -. Private to "must": tu.
"ms" · 2 letters · shape CC · "must" · 4 letters · shape CVCC
Known mistypes of this pair
- must ← mmust · msut · musst · mustt · muts · umst
Frequently Asked Questions
Do "ms" and "must" mean the same thing in a sentence?
Which is more common, "ms" or "must"?
Useful next steps
You've compared "ms" and "must". Here's where to go from here.
- Full dictionary entry for "ms" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "must" - compare definitions side by side with the headword page. Word entry
- This pair ranks #358,733 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ms" and "must" also get mixed up with nearby pairs, the highest-scored neighbour is "mud vs must". 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 #358,733 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.