sei vs sh, What's the Difference?

Which to use

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

#48,072
“sei” frequency rank: #26,233
“sh” frequency rank: 74305
confusion score

Side-by-Side Comparison

Feature	sei	sh
Definition	Seis.	Grafía alternativa de shh.

Where the eye mixes sei and sh

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

sei

2 ch

Visual trap between sei and sh

These two trip readers on the page rather than in the ear: sei is /s̺ej/ while sh is [ˈʃ]. 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 (num vs intj), which is usually the fastest check. Our composite confusion score for this pair is 74305, 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/. sh is at rank #26,233, tagged as anintj, pronounced [ˈʃ].

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 74305, this pair ranks #21,557 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sei vs sh

Shared letters: s. Private to "sei": ei. Private to "sh": h.

"sei" · 3 letters · shape CVV · "sh" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "sei" for "sh" ever safe?

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

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

"sh" is the more common of the two: it sits at frequency rank #26,233 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

Eye-level mix-up between "sei" and "sh" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "sei" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "sh" - compare definitions side by side with the headword page. Word entry
This pair ranks #21,557 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"sei" and "sh" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs stem". Nearby pair

Confusion rank #21,557 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.