ununderstood vs undigested

ununderstood and undigested both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ununderstood	No	Yes	No	No
undigested	No	Yes	No	No

ununderstood (adjective)	undigested (adjective)
not understood	not digested
	not thought over and arranged systematically in the mind; not absorbed or assimilated mentally