sãovssimWhat's the difference?

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

Which to use

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

#34
“são” frequency rank
#147
“sim” frequency rank
181
confusion score

Side-by-Side Comparison

Feature são sim
Definition saudável exprime afirmação, acordo, aprovação, permissão ou consentimento

Where the eye mixes são and sim

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

3 ch
são
3 ch
sim

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: são is /ˈsɐ̃w̃/ while sim is /ˈsĩ/. 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 (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 181, derived from the frequency rank of both members and their visual similarity.

são is recorded at frequency rank #34, classified as anadj, pronounced /ˈsɐ̃w̃/. sim is at rank #147, tagged as anadv, pronounced /ˈsĩ/.

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 181, this pair ranks #75,452 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of são vs sim

Shared letters: s. Private to "são": . Private to "sim": im.

"são" · 3 letters · shape CVV  ·  "sim" · 3 letters · shape CVC

Frequently Asked Questions

Can "são" and "sim" be used interchangeably?
No - they are not even the same part of speech. "são" is an adjective and "sim" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "são" or "sim"?
"são" is the more common of the two: it sits at frequency rank #34 in our Portuguese list, against #147 for "sim". 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 "são" and "sim". Here's where to go from here.

  • Full dictionary entry for "são" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sim" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,452 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "são" and "sim" also get mixed up with nearby pairs, the highest-scored neighbour is "são vs soap". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list