Which to use
“tha” is a verb and “this” is an adjective - they look or sound alike but fill different roles in a sentence.
- #43,181
- “tha” frequency rank
- #5,196
- “this” frequency rank
- 48377
- confusion score
Side-by-Side Comparison
| Feature | tha | this |
|---|---|---|
| Definition | Libérer. | Ce … -ci, cette … -ci. |
Where the eye mixes tha and this
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses tha with this
These two trip readers on the page rather than in the ear: tha is \tʰa˦\ while this is \ðɪs\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 48377, derived from the frequency rank of both members and their visual similarity.
tha is recorded at frequency rank #43,181, classified as averb, pronounced \tʰa˦\. this is at rank #5,196, tagged as anadj, pronounced \ðɪs\.
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 48377, this pair ranks #179,415 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tha vs this
Shared letters: ht. Private to "tha": a. Private to "this": is.
"tha" · 3 letters · shape CCV · "this" · 4 letters · shape CCVC
Known mistypes of this pair
- this ← htis · thhis · thiss · thsi · tihs · tthis
Frequently Asked Questions
Is swapping "tha" for "this" ever safe?
Which is more common, "tha" or "this"?
Useful next steps
Eye-level mix-up between "tha" and "this" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "tha" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "this" - compare definitions side by side with the headword page. Word entry
- This pair ranks #179,415 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "tha" and "this" also get mixed up with nearby pairs, the highest-scored neighbour is "tha vs tif". 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 #179,415 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.