sallow vs genus Salix

sallow and genus Salix both are nouns.

Word	Noun	Adjective	Verb	Adverb
sallow	Yes	Yes	Yes	No
genus Salix	Yes	No	No	No

sallow (noun)	genus Salix (noun)
any of several Old World shrubby broad-leaved willows having large catkins; some are important sources for tanbark and charcoal	a large and widespread genus varying in size from small shrubs to large trees: willows

sallow (adjective)	genus Salix (adjective)
unhealthy looking

sallow (verb)	genus Salix (verb)
cause to become sallow