sea vs ser, What's the Difference?

Which to use

“sea” and “ser” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,925
“sea” frequency rank: #30
“ser” frequency rank: 9955
confusion score

Side-by-Side Comparison

Feature	sea	ser
Definition	mar.	existir, aquilo que supõe-se existir

Letter map: sea vs ser

Shared letters muted; letters that set sea and ser apart highlighted. Shared run: 2.

3 ch

sea

3 ch

ser

Spelling & dictionary notes on sea vs ser

sea and ser are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - a in “sea” becomes r in “ser”. Our composite confusion score for this pair is 9955, derived from the frequency rank of both members and their visual similarity.

sea is recorded at frequency rank #9,925, classified as anoun, pronounced ]. ser is at rank #30, tagged as anoun, pronounced /ˈseɾ/.

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 9955, this pair ranks #63,304 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sea vs ser

Shared letters: es. Private to "sea": a. Private to "ser": r.

"sea" · 3 letters · shape CVV · "ser" · 3 letters · shape CVC

Frequently Asked Questions

Can "sea" and "ser" be used interchangeably?

No. They differ by a single letter - a in “sea” becomes r in “ser”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Which is more common, "sea" or "ser"?

"ser" is the more common of the two: it sits at frequency rank #30 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.

Useful next steps

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

Full dictionary entry for "sea" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ser" - compare definitions side by side with the headword page. Word entry
This pair ranks #63,304 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"sea" and "ser" also get mixed up with nearby pairs, the highest-scored neighbour is "sea vs soap". Nearby pair

Confusion rank #63,304 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.