LSD-25
"lsd-25" is a 3-letter English headword indexed on PlainSpell.
The verdict
“LSD-25” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - LSD (lysergic acid diethylamide).
Corpus desk
Index EN-lsd-25 · LSD-25 · English
LSD-25 · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 6 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "L" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | LSD-25 |
| Language | English |
| Part of speech | Noun |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “LSD-25” sits in English frequency
Rare enough to double-check
LSD-25 is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "LSD (lysergic acid diethylamide).".
The misspelling generator found no plausible variants for LSD-25, a sign its spelling follows regular English conventions. 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.
No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is LSD-25, spelled L-S-D---2-5.
Definition
- 1LSD (lysergic acid diethylamide).
Recorded use
Wiktionary examplesThese source excerpts show how LSD-25 appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
1956, M. W. Hirsch, M. E. Jarvik, and H. A. Abramson, "Lysergic acid diethylamide (LSD-25): Effects of LSD-25 and six related drugs upon handwriting", in Journal of Psychology, volume 41, pages 11–22.
The bridge, die Brücke, being his pet name for the experiment he was helping the community hospital run on effects of LSD-25, mescaline, psilocybin, and related drugs on a large sample of suburban housewives.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
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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.