ecavseiConfusable pair

Quick tell: eca is a intj, ei is a noun, so they fill different roles in a sentence.

Which to use

“eca” is an intj and “ei” is a noun - they look or sound alike but fill different roles in a sentence.

#13,275
“eca” frequency rank
#2,629
“ei” frequency rank
15904
confusion score

Side-by-Side Comparison

Feature eca ei
Definition expressa nojo ovo

Letter map: eca vs ei

Shared letters muted; letters that set eca and ei apart highlighted. Shared run: 1.

3 ch
eca
2 ch
ei

Part-of-speech tell for eca / ei

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: eca is anintj and eianoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15904, derived from the frequency rank of both members and their visual similarity.

eca is recorded at frequency rank #13,275, classified as anintj. ei is at rank #2,629, tagged as anoun, pronounced /ˈɛɪ/.

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 15904, this pair ranks #55,818 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of eca vs ei

Shared letters: e. Private to "eca": ac. Private to "ei": i.

"eca" · 3 letters · shape VCV  ·  "ei" · 2 letters · shape VV

Frequently Asked Questions

Is swapping "eca" for "ei" ever safe?
No - they are not even the same part of speech. "eca" is an intj and "ei" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "eca" vs "ei" - which ranks higher?
"ei" is the more common of the two: it sits at frequency rank #2,629 in our Portuguese list, against #13,275 for "eca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "eca" and "ei". Here's where to go from here.

  • Full dictionary entry for "eca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ei" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,818 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "eca" and "ei" also get mixed up with nearby pairs, the highest-scored neighbour is "ear vs eca". Nearby pair

Confusion rank #55,818 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list