TafvsthyWhat's the difference?

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

Which to use

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

#49,663
“Taf” frequency rank
#6,014
“thy” frequency rank
55677
confusion score

Side-by-Side Comparison

Feature Taf thy
Definition A river in Pembrokeshire and Carmarthenshire, West Wales, which flows into Carmarthen Bay. Possessive form of thou: that which belongs to thee; which belongs to you (singular).

Letter map: Taf vs thy

Shared letters muted; letters that set Taf and thy apart highlighted. Shared run: 1.

3 ch
Taf
3 ch
thy

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Taf is aname and thyadeterminer. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55677, derived from the frequency rank of both members and their visual similarity.

Taf is recorded at frequency rank #49,663, classified as aname. thy is at rank #6,014, tagged as adet, pronounced /ðaɪ/.

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 55677, this pair ranks #131,835 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Taf vs thy

Shared letters: t. Private to "Taf": af. Private to "thy": hy.

"Taf" · 3 letters · shape CVC  ·  "thy" · 3 letters · shape CCV

Frequently Asked Questions

Can "Taf" and "thy" be used interchangeably?
No - they are not even the same part of speech. "Taf" is a name and "thy" a determiner, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Taf" or "thy"?
"thy" is the more common of the two: it sits at frequency rank #6,014 in our English list, against #49,663 for "Taf". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list