Which to use
“mon” is a determiner and “mu” is a noun - they look or sound alike but fill different roles in a sentence.
- #66
- “mon” frequency rank
- #14,985
- “mu” frequency rank
- 15051
- confusion score
Side-by-Side Comparison
| Feature | mon | mu |
|---|---|---|
| Definition | Marque la possession ou l’appartenance. Le possesseur est le locuteur, ce qu’il possède est au masculin singulier. | μ, Μ, douzième lettre et huitième consonne de l’alphabet grec. |
Where the eye mixes mon and mu
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between mon and mu
These two trip readers on the page rather than in the ear: mon is \mɔ̃\ while mu is \my\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (determiner vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15051, derived from the frequency rank of both members and their visual similarity.
mon is recorded at frequency rank #66, classified as adet, pronounced \mɔ̃\. mu is at rank #14,985, tagged as anoun, pronounced \my\.
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 15051, this pair ranks #394,081 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of mon vs mu
Shared letters: m. Private to "mon": no. Private to "mu": u.
"mon" · 3 letters · shape CVC · "mu" · 2 letters · shape CV
Frequently Asked Questions
Is swapping "mon" for "mu" ever safe?
Frequency check: "mon" vs "mu" - which ranks higher?
Useful next steps
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 "mu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #394,081 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "mon" and "mu" also get mixed up with nearby pairs, the highest-scored neighbour is "mu vs MWh". Nearby pair
Confusion rank #394,081 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.