germicide vs cetrimide

germicide and cetrimide both are nouns.

Word	Noun	Adjective	Verb	Adverb
germicide	Yes	No	No	No
cetrimide	Yes	No	No	No

As nouns, cetrimide is a hyponym of germicide; that is, cetrimide is a word with a more specific, narrower meaning than germicide:

germicide: an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
cetrimide: a cationic detergent that is a powerful disinfectant

Other hyponyms of germicide include sodium hypochlorite.

germicide (noun)	cetrimide (noun)
an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease	a cationic detergent that is a powerful disinfectant