SeguívsseuWhat's the difference?

Quick tell: Seguí is a name, seu is an adjective, so they fill different roles in a sentence.

Which to use

“Seguí” is a name and “seu” is an adjective - they look or sound alike but fill different roles in a sentence.

#6,826
“Seguí” frequency rank
#35,751
“seu” frequency rank
42577
confusion score

Side-by-Side Comparison

Feature Seguí seu
Definition Apellido. Su.

Where the eye mixes Seguí and seu

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Seguí runs 5 letters (CVCVV) against seu's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Seguí
3 ch
seu

Look-alike desk: Seguí vs seu

These two trip readers on the page rather than in the ear: Seguí is [seˈɣ̞i] while seu is [ˈsew]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42577, derived from the frequency rank of both members and their visual similarity.

Seguí is recorded at frequency rank #6,826, classified as aname, pronounced [seˈɣ̞i]. seu is at rank #35,751, tagged as anadj, pronounced [ˈsew].

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 42577, this pair ranks #147,434 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Seguí vs seu

Shared letters: esu. Private to "Seguí": gí. Private to "seu": -.

"Seguí" · 5 letters · shape CVCVV  ·  "seu" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "Seguí" for "seu" ever safe?
No - they are not even the same part of speech. "Seguí" is a name and "seu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Seguí" vs "seu" - which ranks higher?
"Seguí" is the more common of the two: it sits at frequency rank #6,826 in our Spanish list, against #35,751 for "seu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Seguí" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "seu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #147,434 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Seguí" and "seu" also get mixed up with nearby pairs, the highest-scored neighbour is "seu vs stem". Nearby pair

Confusion rank #147,434 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