seavsserConfusable pair

Which to use

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

#116
“sea” frequency rank
#39
“ser” frequency rank
155
confusion score

Side-by-Side Comparison

Feature sea ser
Definition Primera persona del singular (yo) del presente de subjuntivo de ser. Tener algo una determinada naturaleza, propiedad o cualidad estable.

Where the eye mixes sea and ser

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
sea
3 ch
ser

Look-alike desk: sea vs ser

A purely visual mix-up. sea ([ˈsea]) and ser ([ˈseɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - a in “sea” becomes r in “ser”. Our composite confusion score for this pair is 155, derived from the frequency rank of both members and their visual similarity.

sea is recorded at frequency rank #116, classified as averb, pronounced [ˈsea]. ser is at rank #39, tagged as averb, 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 155, this pair ranks #323,729 of 323,831 scored Spanish 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 are said differently ([ˈsea] versus [ˈseɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sea" or "ser"?
"ser" is the more common of the two: it sits at frequency rank #39 in our Spanish list, against #116 for "sea". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • 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 #323,729 of 323,831 scored Spanish 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 stem". Nearby pair

Confusion rank #323,729 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list