take lying down vs digest

take lying down is not a noun while digest is a noun.

Word	Noun	Adjective	Verb	Adverb
take lying down	No	No	Yes	No
digest	Yes	No	Yes	No

As verbs, digest is a hypernym of take lying down; that is, digest is a word with a broader meaning than take lying down:

Other hypernyms of take lying down include abide, bear, brook, endure, put up, stand, stick out, stomach, suffer, support, tolerate.

take lying down (noun)	digest (noun)
	something that is compiled (as into a single book or file)
	a periodical that summarizes the news

take lying down (verb)	digest (verb)
suffer without protest; suffer or endure passively	make more concise
	systematize, as by classifying and summarizing
	become assimilated into the body
	soften or disintegrate by means of chemical action, heat, or moisture
	soften or disintegrate, as by undergoing exposure to heat or moisture
	arrange and integrate in the mind
	put up with something or somebody unpleasant
	convert food into absorbable substances