mero vs micro, What's the Difference?

Which to use

“mero” and “micro” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,105
“mero” frequency rank: #4,247
“micro” frequency rank: 16352
confusion score

Side-by-Side Comparison

Feature	mero	micro
Definition	simples	muito pequeno

Letter map: mero vs micro

Shared letters muted; letters that set mero and micro apart highlighted. Shared run: 3.

4 ch

mero

5 ch

micro

Pair insight - mero / micro

mero and micro are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 16352, derived from the frequency rank of both members and their visual similarity.

mero is recorded at frequency rank #12,105, classified as anadj, pronounced /ˈmɛ.ɾu/. micro is at rank #4,247, tagged as anadj.

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 16352, this pair ranks #55,210 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mero vs micro

Shared letters: mor. Private to "mero": e. Private to "micro": ci.

"mero" · 4 letters · shape CVCV · "micro" · 5 letters · shape CVCCV

Known mistypes of this pair

mero ← emro · meor · merro · mmero · mreo
micro ← imcro · mciro · miccro · micor · micrro · mirco · mmicro

Frequently Asked Questions

Is swapping "mero" for "micro" ever safe?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Which is more common, "mero" or "micro"?

"micro" is the more common of the two: it sits at frequency rank #4,247 in our Portuguese list, against #12,105 for "mero". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "mero" vs "micro" is on the table, pick a follow-up below.

Full dictionary entry for "mero" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "micro" - compare definitions side by side with the headword page. Word entry
This pair ranks #55,210 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"mero" and "micro" also get mixed up with nearby pairs, the highest-scored neighbour is "mero vs muso". Nearby pair
Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #55,210 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.