cotton vs shrub

cotton and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
cotton	Yes	No	Yes	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of cotton; that is, shrub is a word with a broader meaning than cotton:

cotton: erect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of cotton include bush.

cotton (noun)	shrub (noun)
fabric woven from cotton fibers	a low woody perennial plant usually having several major stems
thread made of cotton fibers
erect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibers
soft silky fibers from cotton plants in their raw state

cotton (verb)	shrub (verb)
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