genus Angrecum vs genus Angraecum

genus Angrecum and genus Angraecum both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Angrecum	Yes	No	No	No
genus Angraecum	Yes	No	No	No

As nouns, genus Angrecum and genus Angraecum are synonyms defined as:

genus Angrecum and genus Angraecum: genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque

Other synonyms of genus Angrecum include Angraecum.

genus Angrecum (noun)	genus Angraecum (noun)
genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque	genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque