pepsinogen vs enzyme

pepsinogen and enzyme both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepsinogen	Yes	No	No	No
enzyme	Yes	No	No	No

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

pepsinogen: precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach
enzyme: any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions

pepsinogen (noun)	enzyme (noun)
precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach	any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions