African hemp vs sansevieria

African hemp and sansevieria both are nouns.

Word	Noun	Adjective	Verb	Adverb
African hemp	Yes	No	No	No
sansevieria	Yes	No	No	No

As nouns, sansevieria is a hypernym of African hemp; that is, sansevieria is a word with a broader meaning than African hemp:

African hemp: bowstring hemp of South Africa
sansevieria: grown as a houseplant for its mottled fleshy sword-shaped leaves or as a source of fiber

Other hypernyms of African hemp include bowstring hemp.

African hemp (noun)	sansevieria (noun)
large shrub of South Africa having many conspicuously hairy branches with large hairy leaves and clusters of conspicuous white flowers	grown as a houseplant for its mottled fleshy sword-shaped leaves or as a source of fiber
bowstring hemp of South Africa