proteolysis

noun

"proteolysis" is a 11-letter English headword indexed on PlainSpell.

The verdict

“proteolysis” is uncommon English (frequency #95,305 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#95,305
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The hydrolysis of proteins into peptides and amino acids, especially as part of the digestion of food.

Corpus desk

Index EN-proteolysis · proteolysis · English

proteolysis · rank #95,305 · 0 variants · 0 confusables

  • FREQ-RARE #95,305
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH protectively

Nearest frequency peer: protectively (-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 “proteolysis”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for proteolysis
PropertyValue
Headwordproteolysis
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#95,305
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “proteolysis” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).proteolysisfalls 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: “protectively” (#95,304), “prophesying” (#95,302), “prox” (#95,308). Among 4,417 “P” headwords, “proteolysis” is #95,305. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

proteolysis is uncommon English at frequency #95,305 among 4,417 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The hydrolysis of proteins into peptides and amino acids, especially as part of the digestion of food.".

No misspelling variants are generated for proteolysis in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From proteo- + -lysis. The correct English form is proteolysis, spelled P-R-O-T-E-O-L-Y-S-I-S.

Definition

  1. 1
    The hydrolysis of proteins into peptides and amino acids, especially as part of the digestion of food.

Etymology

From proteo- + -lysis.

This word in other languages

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 "proteolysis"?
"proteolysis" is spelled P-R-O-T-E-O-L-Y-S-I-S.
What does "proteolysis" mean?
As a noun, "proteolysis" means: The hydrolysis of proteins into peptides and amino acids, especially as part of the digestion of food.
What is the origin of the word "proteolysis"?
From proteo- + -lysis. 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 "proteolysis", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list