T4 vs TS, What's the Difference?

Which to use

“T4” and “TS” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,791
“T4” frequency rank: #15,529
“TS” frequency rank: 40320
confusion score

Side-by-Side Comparison

Feature	T4	TS
Definition	Quatrième trimestre : octobre, novembre et décembre.	Tentative de suicide.

Where the eye mixes T4 and TS

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

2 ch

Why the eye confuses T4 with TS

A purely visual mix-up. T4 (\te.katʁ\) 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 a single letter - 4 in “T4” becomes s in “TS”. Our composite confusion score for this pair is 40320, derived from the frequency rank of both members and their visual similarity.

T4 is recorded at frequency rank #24,791, classified as anoun, pronounced \te.katʁ\. 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 40320, this pair ranks #241,419 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of T4 vs TS

Shared letters: t. Private to "T4": -. Private to "TS": s.

"T4" · 1 letters · shape C · "TS" · 2 letters · shape CC

Frequently Asked Questions

Do "T4" and "TS" mean the same thing in a sentence?

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

Which is more common, "T4" or "TS"?

"TS" is the more common of the two: it sits at frequency rank #15,529 in our French list, against #24,791 for "T4". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "T4" and "TS" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "T4" 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 #241,419 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"T4" and "TS" also get mixed up with nearby pairs, the highest-scored neighbour is "T4 vs tif". Nearby pair

Confusion rank #241,419 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.