Which to use
“mos” is an adverb and “MST” is a noun - they look or sound alike but fill different roles in a sentence.
- #32,917
- “mos” frequency rank
- #27,137
- “MST” frequency rank
- 60054
- confusion score
Side-by-Side Comparison
| Feature | mos | MST |
|---|---|---|
| Definition | Ne … pas : négation à l'impératif, au subjonctif, après në « si » et duke « en ». | Maladie transmissible par les rapports sexuels. |
Where the eye mixes mos and MST
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: mos vs MST
These two trip readers on the page rather than in the ear: mos is \mos\ while MST is \ɛm.ɛs.te\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 60054, derived from the frequency rank of both members and their visual similarity.
mos is recorded at frequency rank #32,917, classified as anadv, pronounced \mos\. MST is at rank #27,137, tagged as anoun, pronounced \ɛm.ɛs.te\.
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 60054, this pair ranks #99,697 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of mos vs MST
Shared letters: ms. Private to "mos": o. Private to "MST": t.
"mos" · 3 letters · shape CVC · "MST" · 3 letters · shape CCC
Frequently Asked Questions
Is swapping "mos" for "MST" ever safe?
Frequency check: "mos" vs "MST" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "mos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "MST" - compare definitions side by side with the headword page. Word entry
- This pair ranks #99,697 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "mos" and "MST" also get mixed up with nearby pairs, the highest-scored neighbour is "mos vs MWh". Nearby pair
Confusion rank #99,697 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.