mervsmilTell them apart

Quick tell: mer is a noun, mil is an adjective, so they fill different roles in a sentence.

Which to use

“mer” is a noun and “mil” is an adjective - they look or sound alike but fill different roles in a sentence.

#22,090
“mer” frequency rank
#263
“mil” frequency rank
22353
confusion score

Side-by-Side Comparison

Feature mer mil
Definition mar muitos, inúmeros, uma grande quantidade:

Where the eye mixes mer and mil

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

3 ch
mer
3 ch
mil

Look-alike desk: mer vs mil

These two trip readers on the page rather than in the ear: mer is /mɛʁ/ while mil is /miw/, /mil/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 22353, derived from the frequency rank of both members and their visual similarity.

mer is recorded at frequency rank #22,090, classified as anoun, pronounced /mɛʁ/. mil is at rank #263, tagged as anadj, pronounced /miw/, /mil/.

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 22353, this pair ranks #47,713 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mer vs mil

Shared letters: m. Private to "mer": er. Private to "mil": il.

"mer" · 3 letters · shape CVC  ·  "mil" · 3 letters · shape CVC

Frequently Asked Questions

Do "mer" and "mil" mean the same thing in a sentence?
No - they are not even the same part of speech. "mer" is a noun and "mil" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mer" or "mil"?
"mil" is the more common of the two: it sits at frequency rank #263 in our Portuguese list, against #22,090 for "mer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "mer" and "mil" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #47,713 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mer" and "mil" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mer". Nearby pair

Confusion rank #47,713 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list