kid vs monkey

kid and monkey both are nouns.

Word	Noun	Adjective	Verb	Adverb
kid	Yes	No	Yes	No
monkey	Yes	No	Yes	No

As nouns, monkey is a hyponym of kid; that is, monkey is a word with a more specific, narrower meaning than kid:

kid (noun)	monkey (noun)
young goat	any of various long-tailed primates (excluding the prosimians)
a young person of either sex	one who is playfully mischievous
a human offspring (son or daughter) of any age
soft smooth leather from the hide of a young goat

kid (verb)	monkey (verb)
be silly or tease one another	do random, unplanned work or activities or spend time idly
tell false information to for fun	play around with or alter or falsify, usually secretively or dishonestly