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peptidase

noun

peptidase is spelled P-E-P-T-I-D-A-S-E. The wrong spelling people search most is pepsidase: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 10 of all searches for the word. Peptidase is a noun meaning “Any enzyme that catalyzes the hydrolysis of peptides into amino acids; a protease”. The plural of peptidase is peptidases.

How many letters and syllables are in peptidase?

Letters9: P-E-P-T-I-D-A-S-E
In writingabout once in every 16 million words; the 119,826th most frequent word form
Wrong spellings searched1; the most searched, pepsidase, about 10 Bing searches a month (all of them)

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).

How do you spell peptidase?

Peptidase is spelled P-E-P-T-I-D-A-S-E. One wrong spelling is searched or written often enough to measure; together they are about 1 in 10 of the searches for peptidase in either form.

peptidasethe right spelling60 searches a month
pepsidases in place of t10 searches a month

Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.

How common is peptidase?

Peptidase appears about once in every 16 million words in written English, the 119,826th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of peptidase

  • peptidases plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does peptidase mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Any enzyme that catalyzes the hydrolysis of peptides into amino acids; a protease.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after peptidase