thinevsthinksWhich spelling fits?

Quick tell: thine is a determiner, thinks is a verb, so they fill different roles in a sentence.

Which to use

“thine” is a determiner and “thinks” is a verb - they look or sound alike but fill different roles in a sentence.

#19,485
“thine” frequency rank
#1,741
“thinks” frequency rank
21226
confusion score

Side-by-Side Comparison

Feature thine thinks
Definition Second-person singular prevocalic possessive determiner (preconsonantal form: thy). third-person singular simple present indicative of think

Where the eye mixes thine and thinks

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
thine
6 ch
thinks

Why the eye confuses thine with thinks

These two trip readers on the page rather than in the ear: thine is /ðaɪn/ while thinks is /θɪŋks/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (determiner vs verb), which is usually the fastest check. Our composite confusion score for this pair is 21226, derived from the frequency rank of both members and their visual similarity.

thine is recorded at frequency rank #19,485, classified as adet, pronounced /ðaɪn/. thinks is at rank #1,741, tagged as averb, pronounced /θɪŋks/.

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 21226, this pair ranks #425,434 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of thine vs thinks

Shared letters: hint. Private to "thine": e. Private to "thinks": ks.

"thine" · 5 letters · shape CCVCV  ·  "thinks" · 6 letters · shape CCVCCC

Known mistypes of this pair

  • thinehtine · thhine · thien · thinne · thnie · tihne · tthine
  • thinkshtinks · thhinks · thikns · thinkks · thinkss · thinnks · thinsk · thniks

Frequently Asked Questions

Can "thine" and "thinks" be used interchangeably?
No - they are not even the same part of speech. "thine" is a determiner and "thinks" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "thine" vs "thinks" - which ranks higher?
"thinks" is the more common of the two: it sits at frequency rank #1,741 in our English list, against #19,485 for "thine". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "thine" and "thinks" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "thine" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thinks" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #425,434 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thine" and "thinks" 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 #425,434 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list