caspase vs proteolytic enzyme

caspase and proteolytic enzyme both are nouns.

Word	Noun	Adjective	Verb	Adverb
caspase	Yes	No	No	No
proteolytic enzyme	Yes	No	No	No

As nouns, proteolytic enzyme is a hypernym of caspase; that is, proteolytic enzyme is a word with a broader meaning than caspase:

caspase: any of a group of proteases that mediate apoptosis
proteolytic enzyme: any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis

Other hypernyms of caspase include peptidase, protease, proteinase.

caspase (noun)	proteolytic enzyme (noun)
any of a group of proteases that mediate apoptosis	any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis