Which to use
“theses” and “threes” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,243
- “theses” frequency rank
- #28,401
- “threes” frequency rank
- 50644
- confusion score
Side-by-Side Comparison
| Feature | theses | threes |
|---|---|---|
| Definition | plural of thesis | The age of three; three years old. |
Letter map: theses vs threes
Shared letters muted; letters that set theses and threes apart highlighted. Shared run: 5.
Spelling & dictionary notes on theses vs threes
theses and threes 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50644, derived from the frequency rank of both members and their visual similarity.
theses is recorded at frequency rank #22,243, classified as anoun, pronounced /ˈθiːsiːz/. threes is at rank #28,401, 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 50644, this pair ranks #172,412 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of theses vs threes
Shared letters: ehst. Private to "theses": -. Private to "threes": r.
"theses" · 6 letters · shape CCVCVC · "threes" · 6 letters · shape CCCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "theses" for "threes" ever safe?
Frequency check: "theses" vs "threes" - which ranks higher?
After this comparison
You've compared "theses" and "threes". Here's where to go from here.
- Full dictionary entry for "theses" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "threes" - compare definitions side by side with the headword page. Word entry
- This pair ranks #172,412 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "theses" and "threes" also get mixed up with nearby pairs, the highest-scored neighbour is "Thales vs threes". 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 #172,412 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.