gnetum vs genus Gnetum

gnetum and genus Gnetum both are nouns.

Word	Noun	Adjective	Verb	Adverb
gnetum	Yes	No	No	No
genus Gnetum	Yes	No	No	No

gnetum (noun)	genus Gnetum (noun)
small tropical tree with tiered branches and divaricate branchlets having broad glossy dark green leaves; exploited for its edible young leaves and seeds that provide a fine flour	type genus of the Gnetaceae; small trees or shrubs usually with climbing jointed stems and terminal spikes of flowers with orange-red seeds clustered in rough cones