digest vs digestion

digest and digestion both are nouns.

Word	Noun	Adjective	Verb	Adverb
digest	Yes	No	Yes	No
digestion	Yes	No	No	No

digest (noun)	digestion (noun)
something that is compiled (as into a single book or file)	learning and coming to understand ideas and information
a periodical that summarizes the news	the organic process by which food is converted into substances that can be absorbed into the body
	the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat

digest (verb)	digestion (verb)
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