mon vs MST, What's the Difference?

Which to use

“mon” is a determiner and “MST” is a noun - they look or sound alike but fill different roles in a sentence.

#66
“mon” frequency rank: #27,137
“MST” frequency rank: 27203
confusion score

Side-by-Side Comparison

Feature	mon	MST
Definition	Marque la possession ou l’appartenance. Le possesseur est le locuteur, ce qu’il possède est au masculin singulier.	Maladie transmissible par les rapports sexuels.

Where the eye mixes mon and MST

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

mon

3 ch

MST

Visual trap between mon and MST

These two trip readers on the page rather than in the ear: mon is \mɔ̃\ 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 (determiner vs noun), which is usually the fastest check. Our composite confusion score for this pair is 27203, derived from the frequency rank of both members and their visual similarity.

mon is recorded at frequency rank #66, classified as adet, pronounced \mɔ̃\. 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 27203, this pair ranks #330,472 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mon vs MST

Shared letters: m. Private to "mon": no. Private to "MST": st.

"mon" · 3 letters · shape CVC · "MST" · 3 letters · shape CCC

Frequently Asked Questions

Do "mon" and "MST" mean the same thing in a sentence?

No - they are not even the same part of speech. "mon" is a determiner and "MST" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "mon" or "MST"?

"mon" is the more common of the two: it sits at frequency rank #66 in our French list, against #27,137 for "MST". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "mon" 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 #330,472 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"mon" and "MST" also get mixed up with nearby pairs, the highest-scored neighbour is "MST vs MWh". Nearby pair

Confusion rank #330,472 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.