nipper vs child

nipper and child both are nouns.

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

As nouns, nipper and child are synonyms defined as:

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

nipper (noun)	child (noun)
a grasping structure on the limb of a crustacean or other arthropods	a young person of either sex
a young person of either sex	a human offspring (son or daughter) of any age
	an immature childish person
	a member of a clan or tribe