kid vs child

kid and child both are nouns.

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

As nouns, kid and child are synonyms defined as:

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

As nouns, kid and child are synonyms defined as:

kid (noun)	child (noun)
young goat	a young person of either sex
a young person of either sex	a human offspring (son or daughter) of any age
a human offspring (son or daughter) of any age	an immature childish person
soft smooth leather from the hide of a young goat	a member of a clan or tribe

kid (verb)	child (verb)
be silly or tease one another
tell false information to for fun