tetrahydrocannabinol
/ˌtɛ.tɹəˌhʌɪ.dɹə(ʊ)ˈkæn.əb.ɪn.ɒl/
"tetrahydrocannabinol" is a 20-letter English headword indexed on PlainSpell.
The verdict
“tetrahydrocannabinol” is an uncommon English word, ranked #94,331 in English word frequency and used as a noun.
- #94,331
- frequency rank, English
- 20
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The psychoactive substance present in cannabis, a hydrogenated derivative of cannabinol.
| Property | Value |
|---|---|
| Headword | tetrahydrocannabinol |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌtɛ.tɹəˌhʌɪ.dɹə(ʊ)ˈkæn.əb.ɪn.ɒl/ |
| Letters | 20 |
| Frequency rank | #94,331 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “tetrahydrocannabinol” sits in English frequency
Spelling & Dictionary Insight
The English entry for tetrahydrocannabinol is 20 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌtɛ.tɹəˌhʌɪ.dɹə(ʊ)ˈkæn.əb.ɪn.ɒl/. Corpus data places it at rank #94,331 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "The psychoactive substance present in cannabis, a hydrogenated derivative of cannabinol.".
We couldn't generate a plausible misspelling set for tetrahydrocannabinol, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From tetrahydro + cannabinol. The correct English form is tetrahydrocannabinol, spelled T-E-T-R-A-H-Y-D-R-O-C-A-N-N-A-B-I-N-O-L.
Definition
- 1The psychoactive substance present in cannabis, a hydrogenated derivative of cannabinol.
Etymology
From tetrahydro + cannabinol.
Synonyms
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “tetrahydrocannabinol”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-E-T-R-A-H-Y-D-R-O-C-A-N-N-A-B-I-N-O-L - every other letter order is a misspelling in standard orthography.
- Say it as /ˌtɛ.tɹəˌhʌɪ.dɹə(ʊ)ˈkæn.əb.ɪn.ɒl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.