maguey vs agave

maguey and agave both are nouns.

Word	Noun	Adjective	Verb	Adverb
maguey	Yes	No	No	No
agave	Yes	No	No	No

As nouns, agave is a hypernym of maguey; that is, agave is a word with a broader meaning than maguey:

maguey: Philippine plant yielding a hard fibre used in making coarse twine
agave: tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber

Other hypernyms of maguey include American aloe, century plant.

As nouns, agave is a hypernym of maguey; that is, agave is a word with a broader meaning than maguey:

maguey: Mexican plant used especially for making pulque which is the source of the colorless Mexican liquor, mescal
agave: tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber

Other hypernyms of maguey include American aloe, century plant.

maguey (noun)	agave (noun)
Philippine plant yielding a hard fibre used in making coarse twine	tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber
Mexican plant used especially for making pulque which is the source of the colorless Mexican liquor, mescal