seçãovssenãoConfusable pair

Quick tell: seção is a noun, senão is a conjunction, so they fill different roles in a sentence.

Which to use

“seção” is a noun and “senão” is a conjunction - they look or sound alike but fill different roles in a sentence.

#2,496
“seção” frequency rank
#3,044
“senão” frequency rank
5540
confusion score

Side-by-Side Comparison

Feature seção senão
Definition subdivisão de um capítulo, obra, tratado ou estudo em caso contrário

Letter map: seção vs senão

Shared letters muted; letters that set seção and senão apart highlighted. Shared run: 4. seção and senão follow the identical consonant-vowel pattern (CVCVV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
seção
5 ch
senão

Grammar separator: seção vs senão

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seção is anoun and senãoaconjunction. On the page they differ by a single letter - ç in “seção” becomes n in “senão”. Our composite confusion score for this pair is 5540, derived from the frequency rank of both members and their visual similarity.

seção is recorded at frequency rank #2,496, classified as anoun. senão is at rank #3,044, tagged as aconj, pronounced /sɨ.ˈnɐ̃w̃/.

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 5540, this pair ranks #69,047 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seção vs senão

Shared letters: eosã. Private to "seção": ç. Private to "senão": n.

"seção" · 5 letters · shape CVCVV  ·  "senão" · 5 letters · shape CVCVV

Frequently Asked Questions

Do "seção" and "senão" mean the same thing in a sentence?
No - they are not even the same part of speech. "seção" is a noun and "senão" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "seção" or "senão"?
"seção" is the more common of the two: it sits at frequency rank #2,496 in our Portuguese list, against #3,044 for "senão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "seção" and "senão". Here's where to go from here.

  • Full dictionary entry for "seção" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "senão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,047 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "seção" and "senão" also get mixed up with nearby pairs, the highest-scored neighbour is "senão vs sueño". Nearby pair

Confusion rank #69,047 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