sei vs sue, What's the Difference?

Which to use

“sei” is a num and “sue” is a pronoun - they look or sound alike but fill different roles in a sentence.

#48,072
“sei” frequency rank: #18,397
“sue” frequency rank: 66469
confusion score

Side-by-Side Comparison

Feature	sei	sue
Definition	Seis.	Yo, este servidor, su servidor.

Where the eye mixes sei and sue

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

3 ch

sei

3 ch

sue

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: sei is /s̺ej/ while sue is [ˈswe]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (num vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 66469, derived from the frequency rank of both members and their visual similarity.

sei is recorded at frequency rank #48,072, classified as anum, pronounced /s̺ej/. sue is at rank #18,397, tagged as apron, pronounced [ˈswe].

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 66469, this pair ranks #39,790 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sei vs sue

Shared letters: es. Private to "sei": i. Private to "sue": u.

"sei" · 3 letters · shape CVV · "sue" · 3 letters · shape CVV

Frequently Asked Questions

Can "sei" and "sue" be used interchangeably?

No - they are not even the same part of speech. "sei" is a num and "sue" a pronoun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "sei" or "sue"?

"sue" is the more common of the two: it sits at frequency rank #18,397 in our Spanish list, against #48,072 for "sei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "sei" and "sue". Here's where to go from here.

Full dictionary entry for "sei" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "sue" - compare definitions side by side with the headword page. Word entry
This pair ranks #39,790 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"sei" and "sue" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs stem". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.