Which to use
“semis” and “sepia” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,958
- “semis” frequency rank
- #38,157
- “sepia” frequency rank
- 65115
- confusion score
Side-by-Side Comparison
| Feature | semis | sepia |
|---|---|---|
| Definition | plural of semi | A dark brown pigment made from the secretions of the cuttlefish. |
Where the eye mixes semis and sepia
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. semis (CVCVC) and sepia (CVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: semis vs sepia
A purely visual mix-up. semis (/ˈsɛmiːz/) and sepia (/ˈsiːpiə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 65115, 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/. sepia is at rank #38,157, tagged as anoun, pronounced /ˈsiːpiə/.
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 65115, this pair ranks #74,350 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of semis vs sepia
Shared letters: eis. Private to "semis": m. Private to "sepia": ap.
"semis" · 5 letters · shape CVCVC · "sepia" · 5 letters · shape CVCVV
Known mistypes of this pair
Frequently Asked Questions
Do "semis" and "sepia" mean the same thing in a sentence?
Which is more common, "semis" or "sepia"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "semis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sepia" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,350 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "semis" and "sepia" also get mixed up with nearby pairs, the highest-scored neighbour is "sepia vs SETI". 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 #74,350 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.