evseiConfusable pair

Quick tell: e is a symbol, ei is a verb, so they fill different roles in a sentence.

Which to use

“e” is a symbol and “ei” is a verb - they look or sound alike but fill different roles in a sentence.

#83
“e” frequency rank
#9,105
“ei” frequency rank
9188
confusion score

Side-by-Side Comparison

Feature e ei
Definition En la escuela de lógica escolástica, símbolo utilizado para representar una afirmación universal negativa. La tercera persona singular del verbo de negación, usado en el indicativo, en el condicional y en el potencial; "no".

Letter map: e vs ei

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

1 ch
e
2 ch
ei

Grammar separator: e vs ei

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: e is asymbol and eiaverb. On the page they differ by 1 extra letter(s) - “e” sits inside “ei”. Our composite confusion score for this pair is 9188, derived from the frequency rank of both members and their visual similarity.

e is recorded at frequency rank #83, classified as asymbol. ei is at rank #9,105, tagged as averb, pronounced [ˈe̞i̯].

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 9188, this pair ranks #302,685 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of e vs ei

Shared letters: e. Private to "e": -. Private to "ei": i.

"e" · 1 letters · shape V  ·  "ei" · 2 letters · shape VV

Frequently Asked Questions

Can "e" and "ei" be used interchangeably?
No - they are not even the same part of speech. "e" is a symbol and "ei" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "e" vs "ei" - which ranks higher?
"e" is the more common of the two: it sits at frequency rank #83 in our Spanish list, against #9,105 for "ei". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "e" vs "ei" is on the table, pick a follow-up below.

  • Full dictionary entry for "e" 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 #302,685 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "e" and "ei" also get mixed up with nearby pairs, the highest-scored neighbour is "ei vs EPL". Nearby pair

Confusion rank #302,685 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