tadvsTHCWhich spelling fits?

Which to use

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

#49,386
“tad” frequency rank
#43,694
“THC” frequency rank
93080
confusion score

Side-by-Side Comparison

Feature tad THC
Definition Tantinet. Abréviation de tétrahydrocannabinol.

Where the eye mixes tad and THC

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. tad (CVC) and THC (CCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
tad
3 ch
THC

Visual trap between tad and THC

A purely visual mix-up. tad (\tæd\) and THC (\te.aʃ.se\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 93080, derived from the frequency rank of both members and their visual similarity.

tad is recorded at frequency rank #49,386, classified as anoun, pronounced \tæd\. THC is at rank #43,694, tagged as anoun, pronounced \te.aʃ.se\.

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 93080, this pair ranks #2,540 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of tad vs THC

Shared letters: t. Private to "tad": ad. Private to "THC": ch.

"tad" · 3 letters · shape CVC  ·  "THC" · 3 letters · shape CCC

Frequently Asked Questions

Can "tad" and "THC" be used interchangeably?
No. They are said differently (\tæd\ versus \te.aʃ.se\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tad" vs "THC" - which ranks higher?
"THC" is the more common of the two: it sits at frequency rank #43,694 in our French list, against #49,386 for "tad". 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 "tad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "THC" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,540 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tad" and "THC" also get mixed up with nearby pairs, the highest-scored neighbour is "tad vs tif". Nearby pair

Confusion rank #2,540 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