American aloe vs agave

American aloe and agave both are nouns.

Word	Noun	Adjective	Verb	Adverb
American aloe	Yes	No	No	No
agave	Yes	No	No	No

As nouns, American aloe and agave are synonyms defined as:

American aloe and 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 synonyms of American aloe include century plant.

American aloe (noun)	agave (noun)
tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber	tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber