Which to use
“testes” and “theses” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #41,420
- “testes” frequency rank
- #22,243
- “theses” frequency rank
- 63663
- confusion score
Side-by-Side Comparison
| Feature | testes | theses |
|---|---|---|
| Definition | plural of testis | plural of thesis |
Letter map: testes vs theses
Shared letters muted; letters that set testes and theses apart highlighted. Shared run: 5.
Corpus notes: testes and theses
testes and theses 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 3 positions. Our composite confusion score for this pair is 63663, derived from the frequency rank of both members and their visual similarity.
testes is recorded at frequency rank #41,420, classified as anoun. theses is at rank #22,243, tagged as anoun, pronounced /ˈθiːsiːz/.
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 63663, this pair ranks #81,754 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of testes vs theses
Shared letters: est. Private to "testes": -. Private to "theses": h.
"testes" · 6 letters · shape CVCCVC · "theses" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "testes" for "theses" ever safe?
Frequency check: "testes" vs "theses" - which ranks higher?
After this comparison
Done with this confusable. These links stay specific to "testes" and "theses".
- Full dictionary entry for "testes" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "theses" - compare definitions side by side with the headword page. Word entry
- This pair ranks #81,754 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "testes" and "theses" also get mixed up with nearby pairs, the highest-scored neighbour is "tenses vs testes". 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 #81,754 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.