apologue vs parable

apologue and parable both are nouns.

Word	Noun	Adjective	Verb	Adverb
apologue	Yes	No	No	No
parable	Yes	No	No	No

As nouns, apologue and parable are synonyms defined as:

apologue and parable: a short moral story (often with animal characters)

Other synonyms of apologue include allegory, fable.

apologue (noun)	parable (noun)
a short moral story (often with animal characters)	a short moral story (often with animal characters)
	(New Testament) any of the stories told by Jesus to convey his religious message