aerides vs orchidaceous plant

aerides and orchidaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
aerides	Yes	No	No	No
orchidaceous plant	Yes	No	No	No

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

aerides: any orchid of the genus Aerides
orchidaceous plant: any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors

Other hypernyms of aerides include orchid.

aerides (noun)	orchidaceous plant (noun)
any orchid of the genus Aerides	any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors