clas
"clas" is a 4-letter English headword indexed on PlainSpell.
The verdict
“clas” is uncommon English (frequency #62,770 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #62,770
- frequency rank, English
- 43,570
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A Celtic monastery
| Property | Value |
|---|---|
| Headword | clas |
| Language | English |
| Part of speech | Noun |
| Letters | 4 |
| Frequency rank | #62,770 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “clas” sits in English frequency
Rare enough to double-check
clas is uncommon English at frequency #62,770 among 43,570 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A Celtic monastery".
clas has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From Welsh clas, from Middle Welsh clas, from Proto-Brythonic *klas, from Latin classis. Doublet of class and classis. The correct English form is clas, spelled C-L-A-S.
Definition
- 1A Celtic monastery
Etymology
From Welsh clas, from Middle Welsh clas, from Proto-Brythonic *klas, from Latin classis. Doublet of class and classis.
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 “clas”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-L-A-S - every other letter order is a misspelling in standard orthography.
- 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.