macrozamia vs cycad

macrozamia and cycad both are nouns.

Word	Noun	Adjective	Verb	Adverb
macrozamia	Yes	No	No	No
cycad	Yes	No	No	No

As nouns, cycad is a hypernym of macrozamia; that is, cycad is a word with a broader meaning than macrozamia:

macrozamia: any treelike cycad of the genus Macrozamia having erect trunks and pinnate leaves and large cones with sometimes edible nuts; Australia
cycad: any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves

macrozamia (noun)	cycad (noun)
any treelike cycad of the genus Macrozamia having erect trunks and pinnate leaves and large cones with sometimes edible nuts; Australia	any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves