thyvsTroyTell them apart

Quick tell: thy is a determiner, Troy is a name, so they fill different roles in a sentence.

Which to use

“thy” is a determiner and “Troy” is a name - they look or sound alike but fill different roles in a sentence.

#6,014
“thy” frequency rank
#7,757
“Troy” frequency rank
13771
confusion score

Side-by-Side Comparison

Feature thy Troy
Definition Possessive form of thou: that which belongs to thee; which belongs to you (singular). An ancient city in what is now northwestern Turkey.

Where the eye mixes thy and Troy

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
thy
4 ch
Troy

Visual trap between thy and Troy

These two trip readers on the page rather than in the ear: thy is /ðaɪ/ while Troy is /tɹɔɪ/. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 13771, derived from the frequency rank of both members and their visual similarity.

thy is recorded at frequency rank #6,014, classified as adet, pronounced /ðaɪ/. Troy is at rank #7,757, tagged as aname, pronounced /tɹɔɪ/.

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 13771, this pair ranks #473,905 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of thy vs Troy

Shared letters: ty. Private to "thy": h. Private to "Troy": or.

"thy" · 3 letters · shape CCV  ·  "Troy" · 4 letters · shape CCVV

Known mistypes of this pair

  • Troyrtoy · troyy · trroy · tryo · ttroy

Frequently Asked Questions

Is swapping "thy" for "Troy" ever safe?
No - they are not even the same part of speech. "thy" is a determiner and "Troy" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "thy" vs "Troy" - which ranks higher?
"thy" is the more common of the two: it sits at frequency rank #6,014 in our English list, against #7,757 for "Troy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "thy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Troy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #473,905 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thy" and "Troy" also get mixed up with nearby pairs, the highest-scored neighbour is "Trav vs Troy". 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 #473,905 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