wide-eyed vs childlike

wide-eyed and childlike both are adjectives.

Word	Noun	Adjective	Verb	Adverb
wide-eyed	No	Yes	No	No
childlike	No	Yes	No	No

As adjectives, wide-eyed and childlike are synonyms defined as:

Other synonyms of wide-eyed include dewy-eyed, round-eyed, simple.

wide-eyed (adjective)	childlike (adjective)
exhibiting childlike simplicity and credulity	exhibiting childlike simplicity and credulity
(used of eyes) fully open or extended	befitting a young child