se vs sou, What's the Difference?

Which to use

“se” is a conjunction and “sou” is a verb - they look or sound alike but fill different roles in a sentence.

#16
“se” frequency rank: #106
“sou” frequency rank: 122
confusion score

Side-by-Side Comparison

Feature	se	sou
Definition	indica hipótese	primeira pessoa do singular do presente do indicativo do verbo ser

Where the eye mixes se and sou

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

2 ch

3 ch

sou

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: se is /sɨ/ while sou is /ˈsow/, /ˈso/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (conjunction vs verb), which is usually the fastest check. Our composite confusion score for this pair is 122, derived from the frequency rank of both members and their visual similarity.

se is recorded at frequency rank #16, classified as aconj, pronounced /sɨ/. sou is at rank #106, tagged as averb, pronounced /ˈsow/, /ˈso/.

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 122, this pair ranks #75,537 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of se vs sou

Shared letters: s. Private to "se": e. Private to "sou": ou.

"se" · 2 letters · shape CV · "sou" · 3 letters · shape CVV

Frequently Asked Questions

Can "se" and "sou" be used interchangeably?

No - they are not even the same part of speech. "se" is a conjunction and "sou" a verb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "se" or "sou"?

"se" is the more common of the two: it sits at frequency rank #16 in our Portuguese list, against #106 for "sou". 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 "se" and "sou". Here's where to go from here.

Full dictionary entry for "se" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "sou" - compare definitions side by side with the headword page. Word entry
This pair ranks #75,537 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"se" and "sou" also get mixed up with nearby pairs, the highest-scored neighbour is "soap vs sou". Nearby pair

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