semisvsSeriWhat's the difference?

Which to use

“semis” and “Seri” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26,958
“semis” frequency rank
#41,376
“Seri” frequency rank
68334
confusion score

Side-by-Side Comparison

Feature semis Seri
Definition plural of semi A member of an indigenous group of Sonora, Mexico.

Letter map: semis vs Seri

Shared letters muted; letters that set semis and Seri apart highlighted. Shared run: 3. semis runs 5 letters (CVCVC) against Seri's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
semis
4 ch
Seri

Pair insight - semis / Seri

semis and Seri are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68334, derived from the frequency rank of both members and their visual similarity.

semis is recorded at frequency rank #26,958, classified as anoun, pronounced /ˈsɛmiːz/. Seri is at rank #41,376, tagged as anoun.

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 68334, this pair ranks #59,336 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of semis vs Seri

Shared letters: eis. Private to "semis": m. Private to "Seri": r.

"semis" · 5 letters · shape CVCVC  ·  "Seri" · 4 letters · shape CVCV

Known mistypes of this pair

  • semisesmis · seims · semiss · semmis · semsi · smeis · ssemis
  • Seriesri · seir · serri · srei · sseri

Frequently Asked Questions

Is swapping "semis" for "Seri" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "semis" or "Seri" show up more?
"semis" is the more common of the two: it sits at frequency rank #26,958 in our English list, against #41,376 for "Seri". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "semis" and "Seri". Here's where to go from here.

  • Full dictionary entry for "semis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Seri" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #59,336 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "semis" and "Seri" also get mixed up with nearby pairs, the highest-scored neighbour is "Seri vs sura". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #59,336 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list