Which to use
“semi” and “ses” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,965
- “semi” frequency rank
- #20,491
- “ses” frequency rank
- 23456
- confusion score
Side-by-Side Comparison
| Feature | semi | ses |
|---|---|---|
| Definition | A semi-detached house. | Alternative spelling of sess (sensimilla) |
Letter map: semi vs ses
Shared letters muted; letters that set semi and ses apart highlighted. Shared run: 2.
Pair insight - semi / ses
semi and ses 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 23456, derived from the frequency rank of both members and their visual similarity.
semi is recorded at frequency rank #2,965, classified as anoun, pronounced /ˈsɛmi/. ses is at rank #20,491, 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 23456, this pair ranks #409,128 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of semi vs ses
Shared letters: es. Private to "semi": im. Private to "ses": -.
"semi" · 4 letters · shape CVCV · "ses" · 3 letters · shape CVC
Known mistypes of this pair
- semi ← esmi · seim · semmi · smei · ssemi
Frequently Asked Questions
Do "semi" and "ses" mean the same thing in a sentence?
In ordinary English text, does "semi" or "ses" show up more?
After this comparison
You've compared "semi" and "ses". Here's where to go from here.
- Full dictionary entry for "semi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ses" - compare definitions side by side with the headword page. Word entry
- This pair ranks #409,128 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "semi" and "ses" also get mixed up with nearby pairs, the highest-scored neighbour is "ses vs suds". 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 #409,128 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.