cejavsCTATell them apart

Quick tell: ceja is a noun, CTA is an abbrev, so they fill different roles in a sentence.

Which to use

“ceja” is a noun and “CTA” is an abbrev - they look or sound alike but fill different roles in a sentence.

#17,626
“ceja” frequency rank
#27,931
“CTA” frequency rank
45557
confusion score

Side-by-Side Comparison

Feature ceja CTA
Definition Área cubierta de pelo ubicada aproximadamente 2 cm sobre el ojo en la cara humana y también en la mayor parte de los primates y otros mamíferos. Espacio aéreo cuya finalidad es prevenir la colisión entre aeronaves y acelerar el tránsito aéreo regular. El límite inferior de una zona CTA está establecido en 300m. sobre la superficie de la tierra y el límite superior en 15.000 m. A su vez se divide en: TMA y AWY.

Where the eye mixes ceja and CTA

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

4 ch
ceja
3 ch
CTA

Look-alike desk: ceja vs CTA

These two trip readers on the page rather than in the ear: ceja is [ˈsexa] while CTA is [ˈt̪a]. 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 (noun vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 45557, derived from the frequency rank of both members and their visual similarity.

ceja is recorded at frequency rank #17,626, classified as anoun, pronounced [ˈsexa]. CTA is at rank #27,931, tagged as anabbrev, pronounced [ˈt̪a].

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 45557, this pair ranks #130,780 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ceja vs CTA

Shared letters: ac. Private to "ceja": ej. Private to "CTA": t.

"ceja" · 4 letters · shape CVCV  ·  "CTA" · 3 letters · shape CCV

Known mistypes of this pair

  • cejacceja · ceaj · cejja · cjea · ecja · seja

Frequently Asked Questions

Is swapping "ceja" for "CTA" ever safe?
No - they are not even the same part of speech. "ceja" is a noun and "CTA" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ceja" vs "CTA" - which ranks higher?
"ceja" is the more common of the two: it sits at frequency rank #17,626 in our Spanish list, against #27,931 for "CTA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ceja" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CTA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #130,780 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ceja" and "CTA" also get mixed up with nearby pairs, the highest-scored neighbour is "CTA vs cuc". 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 #130,780 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