THCvstrocWhich spelling fits?

Which to use

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

#43,694
“THC” frequency rank
#30,408
“troc” frequency rank
74102
confusion score

Side-by-Side Comparison

Feature THC troc
Definition Abréviation de tétrahydrocannabinol. Échange direct de biens ou services non retranscrit par une opération monétaire.

Where the eye mixes THC and troc

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. THC runs 3 letters (CCC) against troc's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
THC
4 ch
troc

Visual trap between THC and troc

A purely visual mix-up. THC (\te.aʃ.se\) and troc (\tʁɔk\) 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 74102, derived from the frequency rank of both members and their visual similarity.

THC is recorded at frequency rank #43,694, classified as anoun, pronounced \te.aʃ.se\. troc is at rank #30,408, tagged as anoun, pronounced \tʁɔk\.

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 74102, this pair ranks #38,241 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of THC vs troc

Shared letters: ct. Private to "THC": h. Private to "troc": or.

"THC" · 3 letters · shape CCC  ·  "troc" · 4 letters · shape CCVC

Known mistypes of this pair

  • troc ← rtoc · torc · trco · trocc · trroc · ttroc

Frequently Asked Questions

Is swapping "THC" for "troc" ever safe?
No. They are said differently (\te.aʃ.se\ versus \tʁɔk\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "THC" or "troc"?
"troc" is the more common of the two: it sits at frequency rank #30,408 in our French list, against #43,694 for "THC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "THC" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "troc" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #38,241 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "THC" and "troc" also get mixed up with nearby pairs, the highest-scored neighbour is "THC vs tif". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #38,241 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