Which to use
“theres” is a contraction and “theses” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,365
- “theres” frequency rank
- #22,243
- “theses” frequency rank
- 30608
- confusion score
Side-by-Side Comparison
| Feature | theres | theses |
|---|---|---|
| Definition | There is; there's. | plural of thesis |
Where the spellings diverge
Shared letters are muted; the letters that actually set theres and theses apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: theres is acontraction and thesesanoun. On the page they differ by a single letter - r in “theres” becomes s in “theses”. Our composite confusion score for this pair is 30608, derived from the frequency rank of both members and their visual similarity.
theres is recorded at frequency rank #8,365, classified as acontraction. 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 30608, this pair ranks #353,163 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of theres vs theses
Shared letters: ehst. Private to "theres": r. Private to "theses": -.
"theres" · 6 letters · shape CCVCVC · "theses" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "theres" and "theses" be used interchangeably?
Which is more common, "theres" or "theses"?
Remembering theres vs theses
The fastest way to pick the right one every time.
- Check the role first: if you need a contraction, it's “theres”; for a noun, it's “theses”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “theres” entry
- Browse more pairs most likely to be confused. Most confusable