round-eyed vs saucer-eyed

round-eyed and saucer-eyed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
round-eyed	No	Yes	No	No
saucer-eyed	No	Yes	No	No

As adjectives, round-eyed and saucer-eyed are synonyms defined as:

round-eyed (adjective)	saucer-eyed (adjective)
having large round wide-open eyes	having large round wide-open eyes
exhibiting childlike simplicity and credulity