T5vsTHWhich spelling fits?

Which to use

“T5” and “TH” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,905
“T5” frequency rank
#16,022
“TH” frequency rank
61927
confusion score

Side-by-Side Comparison

Feature T5 TH
Definition Cinquième vertèbre thoracique (de haut en bas). titre hydrotimétrique (GH en allemand pour GesamtHärte).

Where the eye mixes T5 and TH

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

2 ch
T5
2 ch
TH

Look-alike desk: T5 vs TH

A purely visual mix-up. T5 (\te.sɛ̃k\) and TH (\te.aʃ\) 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 - 5 in “T5” becomes h in “TH”. Our composite confusion score for this pair is 61927, derived from the frequency rank of both members and their visual similarity.

T5 is recorded at frequency rank #45,905, classified as anoun, pronounced \te.sɛ̃k\. TH is at rank #16,022, tagged as anoun, pronounced \te.aʃ\.

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 61927, this pair ranks #89,722 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of T5 vs TH

Shared letters: t. Private to "T5": -. Private to "TH": h.

"T5" · 1 letters · shape C  ·  "TH" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "T5" for "TH" ever safe?
No. They are said differently (\te.sɛ̃k\ versus \te.aʃ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "T5" or "TH"?
"TH" is the more common of the two: it sits at frequency rank #16,022 in our French list, against #45,905 for "T5". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "T5" and "TH" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "T5" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "TH" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #89,722 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "T5" and "TH" also get mixed up with nearby pairs, the highest-scored neighbour is "T5 vs tif". Nearby pair

Confusion rank #89,722 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