secovssectorConfusable pair

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

Which to use

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

#4,198
“seco” frequency rank
#813
“sector” frequency rank
5011
confusion score

Side-by-Side Comparison

Feature seco sector
Definition Que no tiene agua, que no tiene humedad. Parte de una clase o grupo que presenta caracteres particulares.

Where the eye mixes seco and sector

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
seco
6 ch
sector

Look-alike desk: seco vs sector

These two trip readers on the page rather than in the ear: seco is [ˈseko] while sector is [sekˈt̪oɾ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 5011, derived from the frequency rank of both members and their visual similarity.

seco is recorded at frequency rank #4,198, classified as anadj, pronounced [ˈseko]. sector is at rank #813, tagged as anoun, pronounced [sekˈt̪oɾ].

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 5011, this pair ranks #314,702 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seco vs sector

Shared letters: ceos. Private to "seco": -. Private to "sector": rt.

"seco" · 4 letters · shape CVCV  ·  "sector" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • secoceco · esco · sceo · secco · seoc · sseco
  • sectorcector · esctor · scetor · secctor · secotr · sectorr · sectro · secttor

Frequently Asked Questions

Is swapping "seco" for "sector" ever safe?
No - they are not even the same part of speech. "seco" is an adjective and "sector" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seco" vs "sector" - which ranks higher?
"sector" is the more common of the two: it sits at frequency rank #813 in our Spanish list, against #4,198 for "seco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "seco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sector" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #314,702 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "seco" and "sector" also get mixed up with nearby pairs, the highest-scored neighbour is "seco vs sei". 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 #314,702 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