máximavsmáximoWhich spelling fits?

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

Which to use

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

#3,092
“máxima” frequency rank
#1,578
“máximo” frequency rank
4670
confusion score

Side-by-Side Comparison

Feature máxima máximo
Definition a expressão de uma verdade ou princípio geral, especialmente uma com tom moral ou aforístico o maior de todos

Where the eye mixes máxima and máximo

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
máxima
6 ch
máximo

Look-alike desk: máxima vs máximo

These two trip readers on the page rather than in the ear: máxima is /ˈma.si.mɐ/ while máximo is /ˈma.si.mu/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “máxima” becomes o in “máximo”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 4670, derived from the frequency rank of both members and their visual similarity.

máxima is recorded at frequency rank #3,092, classified as anoun, pronounced /ˈma.si.mɐ/. máximo is at rank #1,578, tagged as anadj, pronounced /ˈma.si.mu/.

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 4670, this pair ranks #70,157 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of máxima vs máximo

Shared letters: imxá. Private to "máxima": a. Private to "máximo": o.

"máxima" · 6 letters · shape CVCVCV  ·  "máximo" · 6 letters · shape CVCVCV

Frequently Asked Questions

Do "máxima" and "máximo" mean the same thing in a sentence?
No - they are not even the same part of speech. "máxima" is a noun and "máximo" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "máxima" or "máximo" show up more?
"máximo" is the more common of the two: it sits at frequency rank #1,578 in our Portuguese list, against #3,092 for "máxima". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "máxima" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "máximo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,157 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "máxima" and "máximo" also get mixed up with nearby pairs, the highest-scored neighbour is "mamã vs máxima". Nearby pair

Confusion rank #70,157 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