hallucinogen
/ˌhæl.uːˈsɪn.ə.dʒən/
"hallucinogen" is a 12-letter English headword indexed on PlainSpell.
The verdict
“hallucinogen” is uncommon English (frequency #75,936 among 23,837 “H” headwords), classed as a noun. The kind of spelling people second-guess.
- #75,936
- frequency rank, English
- 23,837
- “H” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any substance tending to induce hallucination.
| Property | Value |
|---|---|
| Headword | hallucinogen |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌhæl.uːˈsɪn.ə.dʒən/ |
| Letters | 12 |
| Frequency rank | #75,936 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “hallucinogen” sits in English frequency
Rare enough to double-check
hallucinogen is uncommon English at frequency #75,936 among 23,837 “H” headwords, classed as anoun, transcribed /ˌhæl.uːˈsɪn.ə.dʒən/. Rarity is why readers land here mid-draft. Gloss: "Any substance tending to induce hallucination.".
hallucinogen has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From hallucination + -o- (interconsonantal) + -gen (“producer”). The correct English form is hallucinogen, spelled H-A-L-L-U-C-I-N-O-G-E-N.
Definition
- 1Any substance tending to induce hallucination.
Etymology
From hallucination + -o- (interconsonantal) + -gen (“producer”).
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 “hallucinogen”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-A-L-L-U-C-I-N-O-G-E-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˌhæl.uːˈsɪn.ə.dʒən/ (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
Other uncommon English words near this rank
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.