Which to use
“thief” is a noun and “thine” is a determiner - they look or sound alike but fill different roles in a sentence.
- #8,618
- “thief” frequency rank
- #19,485
- “thine” frequency rank
- 28103
- confusion score
Side-by-Side Comparison
| Feature | thief | thine |
|---|---|---|
| Definition | One who carries out a theft. | Second-person singular prevocalic possessive determiner (preconsonantal form: thy). |
Where the eye mixes thief and thine
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: thief vs thine
These two trip readers on the page rather than in the ear: thief is /θiːf/ while thine is /ðaɪn/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs determiner), which is usually the fastest check. Our composite confusion score for this pair is 28103, derived from the frequency rank of both members and their visual similarity.
thief is recorded at frequency rank #8,618, classified as anoun, pronounced /θiːf/. thine is at rank #19,485, tagged as adet, pronounced /ðaɪn/.
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 28103, this pair ranks #373,724 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of thief vs thine
Shared letters: ehit. Private to "thief": f. Private to "thine": n.
"thief" · 5 letters · shape CCVVC · "thine" · 5 letters · shape CCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "thief" for "thine" ever safe?
Which is more common, "thief" or "thine"?
Useful next steps
Eye-level mix-up between "thief" and "thine" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thief" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thine" - compare definitions side by side with the headword page. Word entry
- This pair ranks #373,724 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "thief" and "thine" also get mixed up with nearby pairs, the highest-scored neighbour is "thine vs Thun". 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 #373,724 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.