seasvsserTell them apart

Which to use

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

#2,050
“seas” frequency rank
#39
“ser” frequency rank
2089
confusion score

Side-by-Side Comparison

Feature seas ser
Definition Segunda persona del singular (tú) del presente de subjuntivo de ser. Tener algo una determinada naturaleza, propiedad o cualidad estable.

Where the eye mixes seas and ser

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

4 ch
seas
3 ch
ser

Visual trap between seas and ser

A purely visual mix-up. seas ([ˈseas]) 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 1 letter(s) in length. Our composite confusion score for this pair is 2089, derived from the frequency rank of both members and their visual similarity.

seas is recorded at frequency rank #2,050, classified as averb, pronounced [ˈseas]. 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 2089, this pair ranks #320,994 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seas vs ser

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

"seas" · 4 letters · shape CVVC  ·  "ser" · 3 letters · shape CVC

Known mistypes of this pair

  • seasceas · saes · seass · sesa · sseas

Frequently Asked Questions

Do "seas" and "ser" mean the same thing in a sentence?
No. They are said differently ([ˈseas] versus [ˈseɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "seas" or "ser" show up more?
"ser" is the more common of the two: it sits at frequency rank #39 in our Spanish list, against #2,050 for "seas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "seas" and "ser" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "seas" 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 #320,994 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "seas" and "ser" also get mixed up with nearby pairs, the highest-scored neighbour is "seas vs sous". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #320,994 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