goggle-eyed vs popeyed

goggle-eyed and popeyed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
goggle-eyed	No	Yes	No	No
popeyed	No	Yes	No	No

As adjectives, goggle-eyed and popeyed are synonyms defined as:

Other synonyms of goggle-eyed include openmouthed.

goggle-eyed (adjective)	popeyed (adjective)
with eyes or mouth open in surprise	having bulging eyes
	with eyes or mouth open in surprise