secavssepWhat's the difference?

Quick tell: seca is a adjective, sep is a num, so they fill different roles in a sentence.

Which to use

“seca” is an adjective and “sep” is a num - they look or sound alike but fill different roles in a sentence.

#5,432
“seca” frequency rank
#8,588
“sep” frequency rank
14020
confusion score

Side-by-Side Comparison

Feature seca sep
Definition Forma del femenino singular de seco. Siete.

Where the eye mixes seca and sep

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

4 ch
seca
3 ch
sep

Why the eye confuses seca with sep

These two trip readers on the page rather than in the ear: seca is [ˈseka] while sep is /sep/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs num), which is usually the fastest check. Our composite confusion score for this pair is 14020, derived from the frequency rank of both members and their visual similarity.

seca is recorded at frequency rank #5,432, classified as anadj, pronounced [ˈseka]. sep is at rank #8,588, tagged as anum, pronounced /sep/.

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 14020, this pair ranks #285,690 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seca vs sep

Shared letters: es. Private to "seca": ac. Private to "sep": p.

"seca" · 4 letters · shape CVCV  ·  "sep" · 3 letters · shape CVC

Known mistypes of this pair

  • secaceca · esca · scea · seac · secca · sseca

Frequently Asked Questions

Is swapping "seca" for "sep" ever safe?
No - they are not even the same part of speech. "seca" is an adjective and "sep" a num, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seca" vs "sep" - which ranks higher?
"seca" is the more common of the two: it sits at frequency rank #5,432 in our Spanish list, against #8,588 for "sep". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "seca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sep" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #285,690 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "seca" and "sep" also get mixed up with nearby pairs, the highest-scored neighbour is "sep vs stem". 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 #285,690 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