century plant vs agave

century plant and agave both are nouns.

Word	Noun	Adjective	Verb	Adverb
century plant	Yes	No	No	No
agave	Yes	No	No	No

As nouns, century plant and agave are synonyms defined as:

century plant 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 century plant include American aloe.

century plant (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