tac vs TS, What's the Difference?

Which to use

“tac” and “TS” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#14,369
“tac” frequency rank: #15,529
“TS” frequency rank: 29898
confusion score

Side-by-Side Comparison

Feature	tac	TS
Definition	Nom vulgaire d’une sorte de gale à laquelle le cheval, le chien et le mouton sont le plus sujets.	Tentative de suicide.

Where the eye mixes tac and TS

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

tac

2 ch

Visual trap between tac and TS

A purely visual mix-up. tac (\tak\) and TS (\te.ɛs\) 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 29898, 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\. TS is at rank #15,529, tagged as anoun, pronounced \te.ɛs\.

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 29898, this pair ranks #313,786 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tac vs TS

Shared letters: t. Private to "tac": ac. Private to "TS": s.

"tac" · 3 letters · shape CVC · "TS" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "tac" for "TS" ever safe?

No. They are said differently (\tak\ versus \te.ɛs\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "tac" or "TS"?

"tac" is the more common of the two: it sits at frequency rank #14,369 in our French list, against #15,529 for "TS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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 "TS" - compare definitions side by side with the headword page. Word entry
This pair ranks #313,786 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"tac" and "TS" also get mixed up with nearby pairs, the highest-scored neighbour is "tif vs TS". Nearby pair

Confusion rank #313,786 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.