Which to use
“mer” is a noun and “MP4” is a name - they look or sound alike but fill different roles in a sentence.
- #657
- “mer” frequency rank
- #49,242
- “MP4” frequency rank
- 49899
- confusion score
Side-by-Side Comparison
| Feature | mer | MP4 |
|---|---|---|
| Definition | Vaste étendue d’eau salée qui baigne les diverses parties de la terre. | Norme d’encodage multimédia (audio ou vidéo) sous forme numérique. |
Where the eye mixes mer and MP4
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: mer vs MP4
These two trip readers on the page rather than in the ear: mer is \mɛʁ\ while MP4 is \ɛm.pe.katʁ\. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 49899, derived from the frequency rank of both members and their visual similarity.
mer is recorded at frequency rank #657, classified as anoun, pronounced \mɛʁ\. MP4 is at rank #49,242, tagged as aname, pronounced \ɛm.pe.katʁ\.
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 49899, this pair ranks #166,992 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mer vs MP4
Shared letters: m. Private to "mer": er. Private to "MP4": p.
"mer" · 3 letters · shape CVC · "MP4" · 2 letters · shape CC
Frequently Asked Questions
Is swapping "mer" for "MP4" ever safe?
Frequency check: "mer" vs "MP4" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "mer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "MP4" - compare definitions side by side with the headword page. Word entry
- This pair ranks #166,992 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "mer" and "MP4" also get mixed up with nearby pairs, the highest-scored neighbour is "MP4 vs MWh". Nearby pair
Confusion rank #166,992 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.