seavssouTell them apart

Quick tell: sea is a noun, sou is a verb, so they fill different roles in a sentence.

Which to use

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

#9,925
“sea” frequency rank
#106
“sou” frequency rank
10031
confusion score

Side-by-Side Comparison

Feature sea sou
Definition mar. primeira pessoa do singular do presente do indicativo do verbo ser

Letter map: sea vs sou

Shared letters muted; letters that set sea and sou apart highlighted. Shared run: 1.

3 ch
sea
3 ch
sou

Grammar separator: sea vs sou

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sea is anoun and souaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 10031, derived from the frequency rank of both members and their visual similarity.

sea is recorded at frequency rank #9,925, classified as anoun, pronounced ]. 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 10031, this pair ranks #63,198 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sea vs sou

Shared letters: s. Private to "sea": ae. Private to "sou": ou.

"sea" · 3 letters · shape CVV  ·  "sou" · 3 letters · shape CVV

Frequently Asked Questions

Can "sea" and "sou" be used interchangeably?
No - they are not even the same part of speech. "sea" is a noun and "sou" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sea" or "sou"?
"sou" is the more common of the two: it sits at frequency rank #106 in our Portuguese list, against #9,925 for "sea". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "sea" and "sou".

  • Full dictionary entry for "sea" 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 #63,198 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sea" and "sou" also get mixed up with nearby pairs, the highest-scored neighbour is "sea vs soap". Nearby pair

Confusion rank #63,198 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