tyke vs nestling

tyke and nestling both are nouns.

Word	Noun	Adjective	Verb	Adverb
tyke	Yes	No	No	No
nestling	Yes	No	No	No

As nouns, tyke and nestling are synonyms defined as:

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

tyke (noun)	nestling (noun)
a young person of either sex	young bird not yet fledged
a crude uncouth ill-bred person lacking culture or refinement	a young person of either sex