aerophyte vs plant life

aerophyte and plant life both are nouns.

Word	Noun	Adjective	Verb	Adverb
aerophyte	Yes	No	No	No
plant life	Yes	No	No	No

As nouns, plant life is a hypernym of aerophyte; that is, plant life is a word with a broader meaning than aerophyte:

aerophyte: plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it
plant life: (botany) a living organism lacking the power of locomotion

Other hypernyms of aerophyte include flora, plant.

aerophyte (noun)	plant life (noun)
plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it	(botany) a living organism lacking the power of locomotion