T4vstayWhat's the difference?

Which to use

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

#24,791
“T4” frequency rank
#45,907
“tay” frequency rank
70698
confusion score

Side-by-Side Comparison

Feature T4 tay
Definition Quatrième trimestre : octobre, novembre et décembre. Thaïlandais (habitant de la Thaïlande).

Where the eye mixes T4 and tay

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

2 ch
T4
3 ch
tay

Why the eye confuses T4 with tay

A purely visual mix-up. T4 (\te.katʁ\) and tay (\tɑj\) 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 70698, 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\. tay is at rank #45,907, tagged as anoun, pronounced \tɑj\.

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 70698, this pair ranks #50,375 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of T4 vs tay

Shared letters: t. Private to "T4": -. Private to "tay": ay.

"T4" · 1 letters · shape C  ·  "tay" · 3 letters · shape CVV

Frequently Asked Questions

Do "T4" and "tay" mean the same thing in a sentence?
No. They are said differently (\te.katʁ\ versus \tɑj\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "T4" vs "tay" - which ranks higher?
"T4" is the more common of the two: it sits at frequency rank #24,791 in our French list, against #45,907 for "tay". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "T4" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tay" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,375 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "T4" and "tay" also get mixed up with nearby pairs, the highest-scored neighbour is "tay vs tif". Nearby pair

Confusion rank #50,375 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list