lacmus
"lacmus" is a 6-letter English headword indexed on PlainSpell.
The verdict
“lacmus” 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) - Litmus, orchil.
Corpus desk
Index EN-lacmus · lacmus · English
lacmus · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 6 letters
- VOW-2 2 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 | lacmus |
| Language | English |
| Part of speech | Noun |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “lacmus” in English
Rare enough to double-check
lacmus is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Litmus, orchil.".
Zero misspellings are on record for lacmus in our index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From Dutch lakmoes, from lak (“lac”) + moes (“pulp”). The correct English form is lacmus, spelled L-A-C-M-U-S.
Definition
- 1Litmus, orchil.
Etymology
From Dutch lakmoes, from lak (“lac”) + moes (“pulp”).
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.