cyclase

noun

By · According to Wiktionary data (CC BY-SA) ·

"cyclase" is a 7-letter English headword indexed on PlainSpell.

The verdict

“cyclase” is uncommon English (frequency #83,156 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#83,156
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any enzyme that catalyzes the cyclization of a compound

Corpus desk

Index EN-cyclase · cyclase · English

cyclase · rank #83,156 · 0 variants · 0 confusables

  • FREQ-RARE #83,156
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Dalkeith

Nearest frequency peer: Dalkeith (+2 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 “cyclase”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “cyclase” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for cyclase
PropertyValue
Headwordcyclase
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#83,156
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cyclase” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).cyclasefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Dalkeith” (#83,158), “crisscrossing” (#83,153), “Danae” (#83,159). Among 5,599 “C” headwords, “cyclase” is #83,156. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cyclase is uncommon English at frequency #83,156 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any enzyme that catalyzes the cyclization of a compound".

Zero misspellings are on record for cyclase in our index, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From cyclo- + -ase or cycle + -ase. The correct English form is cyclase, spelled C-Y-C-L-A-S-E.

Definition

  1. 1
    Any enzyme that catalyzes the cyclization of a compound

Etymology

From cyclo- + -ase or cycle + -ase.

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

How do you spell "cyclase"?
"cyclase" is spelled C-Y-C-L-A-S-E.
What does "cyclase" mean?
As a noun, "cyclase" means: Any enzyme that catalyzes the cyclization of a compound
What is the origin of the word "cyclase"?
From cyclo- + -ase or cycle + -ase. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "cyclase", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

decease#83,166defacto#83,169comport#83,135Chukchi#83,117

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list