sealvssecoConfusable pair

Quick tell: seal is a noun, seco is an adjective, so they fill different roles in a sentence.

Which to use

“seal” is a noun and “seco” is an adjective - they look or sound alike but fill different roles in a sentence.

#37,852
“seal” frequency rank
#4,198
“seco” frequency rank
42050
confusion score

Side-by-Side Comparison

Feature seal seco
Definition Sello. Que no tiene agua, que no tiene humedad.

Where the eye mixes seal and seco

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

4 ch
seal
4 ch
seco

Why the eye confuses seal with seco

These two trip readers on the page rather than in the ear: seal is /siːl/ while seco is [ˈseko]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42050, derived from the frequency rank of both members and their visual similarity.

seal is recorded at frequency rank #37,852, classified as anoun, pronounced /siːl/. seco is at rank #4,198, tagged as anadj, pronounced [ˈseko].

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 42050, this pair ranks #150,360 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of seal vs seco

Shared letters: es. Private to "seal": al. Private to "seco": co.

"seal" · 4 letters · shape CVVC  ·  "seco" · 4 letters · shape CVCV

Known mistypes of this pair

  • sealesal · seall · sseal
  • secoceco · esco · sceo · secco · seoc · sseco

Frequently Asked Questions

Can "seal" and "seco" be used interchangeably?
No - they are not even the same part of speech. "seal" is a noun and "seco" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seal" vs "seco" - which ranks higher?
"seco" is the more common of the two: it sits at frequency rank #4,198 in our Spanish list, against #37,852 for "seal". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "seal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "seco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #150,360 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "seal" and "seco" also get mixed up with nearby pairs, the highest-scored neighbour is "seal vs shall". 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 #150,360 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