rennase

noun

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

The verdict

“rennase” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - rennin

Key facts for rennase
PropertyValue
Headwordrennase
LanguageEnglish
Part of speechNoun
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “rennase” sits in English frequency

rennase falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

rennase is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "rennin".

Our edit-distance generator produced no likely misspellings for rennase, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From rennet + -ase. The correct English form is rennase, spelled R-E-N-N-A-S-E.

Definition

  1. 1
    rennin

Etymology

From rennet + -ase.

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.

Frequently Asked Questions

How do you spell "rennase"?
"rennase" is spelled R-E-N-N-A-S-E.
What does "rennase" mean?
As a noun, "rennase" means: rennin
What is the origin of the word "rennase"?
From rennet + -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.

Using “rennase”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-E-N-N-A-S-E - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list