penicillinase vs enzyme

penicillinase and enzyme both are nouns.

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

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

penicillinase: enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic
enzyme: any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions

penicillinase (noun)	enzyme (noun)
enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic	any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions