malvsmilTell them apart

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

Which to use

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

#319
“mal” frequency rank
#263
“mil” frequency rank
582
confusion score

Side-by-Side Comparison

Feature mal mil
Definition de forma pouco satisfatória muitos, inúmeros, uma grande quantidade:

Where the eye mixes mal and mil

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
mal
3 ch
mil

Visual trap between mal and mil

These two trip readers on the page rather than in the ear: mal is /ˈmaw/ while mil is /miw/, /mil/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “mal” becomes i in “mil”, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 582, derived from the frequency rank of both members and their visual similarity.

mal is recorded at frequency rank #319, classified as anadv, pronounced /ˈmaw/. 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 582, this pair ranks #75,091 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mal vs mil

Shared letters: lm. Private to "mal": a. Private to "mil": i.

"mal" · 3 letters · shape CVC  ·  "mil" · 3 letters · shape CVC

Frequently Asked Questions

Can "mal" and "mil" be used interchangeably?
No - they are not even the same part of speech. "mal" is an adverb and "mil" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mal" vs "mil" - which ranks higher?
"mil" is the more common of the two: it sits at frequency rank #263 in our Portuguese list, against #319 for "mal". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "mal" 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 #75,091 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mal" and "mil" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mal". Nearby pair

Confusion rank #75,091 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