peanut vs child

peanut and child both are nouns.

Word	Noun	Adjective	Verb	Adverb
peanut	Yes	Yes	No	No
child	Yes	No	No	No

As nouns, child is a hypernym of peanut; that is, child is a word with a broader meaning than peanut:

Other hypernyms of peanut include fry, kid, minor, nestling, nipper, shaver, small fry, tiddler, tike, tyke, youngster.

peanut (noun)	child (noun)
pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms	a young person of either sex
a young child who is small for his age	a human offspring (son or daughter) of any age
widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground	an immature childish person
underground pod of the peanut vine	a member of a clan or tribe

peanut (adjective)	child (adjective)
of little importance or influence or power; of minor status