vanda vs orchid

vanda and orchid both are nouns.

Word	Noun	Adjective	Verb	Adverb
vanda	Yes	No	No	No
orchid	Yes	No	No	No

As nouns, orchid is a hypernym of vanda; that is, orchid is a word with a broader meaning than vanda:

vanda: any of numerous showy orchids of the genus Vanda having many large flowers in loose racemes
orchid: any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors

Other hypernyms of vanda include orchidaceous plant.

vanda (noun)	orchid (noun)
any of numerous showy orchids of the genus Vanda having many large flowers in loose racemes	any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors