digestion vs acquisition

digestion and acquisition both are nouns.

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

As nouns, acquisition is a hypernym of digestion; that is, acquisition is a word with a broader meaning than digestion:

Other hypernyms of digestion include learning.

digestion (noun)	acquisition (noun)
learning and coming to understand ideas and information	the act of contracting or assuming or acquiring possession of something
the organic process by which food is converted into substances that can be absorbed into the body	an ability that has been acquired by training
the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat	the cognitive process of acquiring skill or knowledge
	something acquired