T4vstunWhat's the difference?

Which to use

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

#24,791
“T4” frequency rank
#49,414
“tun” frequency rank
74205
confusion score

Side-by-Side Comparison

Feature T4 tun
Definition Quatrième trimestre : octobre, novembre et décembre. Craie glauconieuse.

Where the eye mixes T4 and tun

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

2 ch
T4
3 ch
tun

Why the eye confuses T4 with tun

A purely visual mix-up. T4 (\te.katʁ\) and tun (\tyn\) 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 74205, 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\. tun is at rank #49,414, tagged as anoun, pronounced \tyn\.

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 74205, this pair ranks #37,897 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of T4 vs tun

Shared letters: t. Private to "T4": -. Private to "tun": nu.

"T4" · 1 letters · shape C  ·  "tun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "T4" for "tun" ever safe?
No. They are said differently (\te.katʁ\ versus \tyn\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "T4" vs "tun" - which ranks higher?
"T4" is the more common of the two: it sits at frequency rank #24,791 in our French list, against #49,414 for "tun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "T4" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #37,897 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "T4" and "tun" also get mixed up with nearby pairs, the highest-scored neighbour is "tif vs tun". Nearby pair

Confusion rank #37,897 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