cyclin
"cyclin" is a 6-letter English headword indexed on PlainSpell.
The verdict
“cyclin” is uncommon English (frequency #58,627 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #58,627
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a group of proteins whose presence in a cell varies through its cycle, and that regulates this cycle by forming a complex with kinase
Corpus desk
Index EN-cyclin · cyclin · English
cyclin · rank #58,627 · 0 variants · 0 confusables
- FREQ-RARE #58,627
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH cutty
Nearest frequency peer: cutty (-1 rank slots)
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.
Long-tail ranks near “cyclin”
Sparse band: bars invert rank so rarer forms read shorter
- Cruella
Cruella
41,381 corpus weight
- curbside
curbside
41,377 corpus weight
- cutback
cutback
41,376 corpus weight
- cutty
cutty
41,375 corpus weight
- cyclin
cyclin
41,374 corpus weight
- Deepa
Deepa
41,370 corpus weight
What this shows Long-tail view: where “cyclin” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | cyclin |
| Language | English |
| Part of speech | Noun |
| Letters | 6 |
| Frequency rank | #58,627 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “cyclin” in English
Rare enough to double-check
cyclin is uncommon English at frequency #58,627 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of a group of proteins whose presence in a cell varies through its cycle, and that regulates this cycle by forming a complex with kinase".
The misspelling generator found no plausible variants for cyclin, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From cycle + -in. The correct English form is cyclin, spelled C-Y-C-L-I-N.
Definition
- 1Any of a group of proteins whose presence in a cell varies through its cycle, and that regulates this cycle by forming a complex with kinase
Etymology
From cycle + -in.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "cyclin", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 6 letters (nearest by frequency rank).