camas vs camass

camas and camass both are nouns.

Word	Noun	Adjective	Verb	Adverb
camas	Yes	No	No	No
camass	Yes	No	No	No

As nouns, camas and camass are synonyms defined as:

camas and camass: any of several plants of the genus Camassia; North and South America

Other synonyms of camas include camash, camosh, quamash.

camas (noun)	camass (noun)
any of several plants of the genus Camassia; North and South America	any of several plants of the genus Camassia; North and South America