taxvsthyWhich spelling fits?

Quick tell: tax is a verb, thy is a pronoun, so they fill different roles in a sentence.

Which to use

“tax” is a verb and “thy” is a pronoun - they look or sound alike but fill different roles in a sentence.

#26,639
“tax” frequency rank
#47,049
“thy” frequency rank
73688
confusion score

Side-by-Side Comparison

Feature tax thy
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs taxen dein

Where the eye mixes tax and thy

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. tax (CVC) and thy (CCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
tax
3 ch
thy

Visual trap between tax and thy

These two trip readers on the page rather than in the ear: tax is [taks] while thy is [ðaɪ]. 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 (verb vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 73688, derived from the frequency rank of both members and their visual similarity.

tax is recorded at frequency rank #26,639, classified as averb, pronounced [taks]. thy is at rank #47,049, tagged as apron, 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 73688, this pair ranks #353,518 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of tax vs thy

Shared letters: t. Private to "tax": ax. Private to "thy": hy.

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

Frequently Asked Questions

Can "tax" and "thy" be used interchangeably?
No - they are not even the same part of speech. "tax" is a verb and "thy" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "tax" or "thy"?
"tax" is the more common of the two: it sits at frequency rank #26,639 in our German list, against #47,049 for "thy". 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 "tax" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #353,518 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "tax" and "thy" also get mixed up with nearby pairs, the highest-scored neighbour is "thy vs TSE". Nearby pair

Confusion rank #353,518 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list