Which to use
“T1” and “T5” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,113
- “T1” frequency rank
- #45,905
- “T5” frequency rank
- 68018
- confusion score
Side-by-Side Comparison
| Feature | T1 | T5 |
|---|---|---|
| Definition | Premier trimestre : janvier, février et mars. | Cinquième vertèbre thoracique (de haut en bas). |
Where the eye mixes T1 and T5
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between T1 and T5
A purely visual mix-up. T1 (\te.œ̃\) and T5 (\te.sɛ̃k\) 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 - 1 in “T1” becomes 5 in “T5”. Our composite confusion score for this pair is 68018, derived from the frequency rank of both members and their visual similarity.
T1 is recorded at frequency rank #22,113, classified as anoun, pronounced \te.œ̃\. T5 is at rank #45,905, tagged as anoun, pronounced \te.sɛ̃k\.
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 68018, this pair ranks #60,954 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of T1 vs T5
Shared letters: t. Private to "T1": -. Private to "T5": -.
"T1" · 1 letters · shape C · "T5" · 1 letters · shape C
Frequently Asked Questions
Is swapping "T1" for "T5" ever safe?
Which is more common, "T1" or "T5"?
What to do next
Eye-level mix-up between "T1" and "T5" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "T1" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "T5" - compare definitions side by side with the headword page. Word entry
- This pair ranks #60,954 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "T1" and "T5" also get mixed up with nearby pairs, the highest-scored neighbour is "T5 vs tif". Nearby pair
Confusion rank #60,954 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.