Which to use
“tac” and “TD” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,369
- “tac” frequency rank
- #13,483
- “TD” frequency rank
- 27852
- confusion score
Side-by-Side Comparison
| Feature | tac | TD |
|---|---|---|
| Definition | Nom vulgaire d’une sorte de gale à laquelle le cheval, le chien et le mouton sont le plus sujets. | Travaux dirigés (créneaux d’enseignement). |
Where the eye mixes tac and TD
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: tac vs TD
A purely visual mix-up. tac (\tak\) and TD (\te.de\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 27852, derived from the frequency rank of both members and their visual similarity.
tac is recorded at frequency rank #14,369, classified as anoun, pronounced \tak\. TD is at rank #13,483, tagged as anoun, pronounced \te.de\.
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 27852, this pair ranks #326,378 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tac vs TD
Shared letters: t. Private to "tac": ac. Private to "TD": d.
"tac" · 3 letters · shape CVC · "TD" · 2 letters · shape CC
Frequently Asked Questions
Can "tac" and "TD" be used interchangeably?
Which is more common, "tac" or "TD"?
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 "tac" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "TD" - compare definitions side by side with the headword page. Word entry
- This pair ranks #326,378 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "tac" and "TD" also get mixed up with nearby pairs, the highest-scored neighbour is "tac vs tif". Nearby pair
Confusion rank #326,378 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.