memorisation vs acquisition

memorisation and acquisition both are nouns.

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

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

Other hypernyms of memorisation include learning.

memorisation (noun)	acquisition (noun)
learning so as to be able to remember verbatim	the act of contracting or assuming or acquiring possession of something
	an ability that has been acquired by training
	the cognitive process of acquiring skill or knowledge
	something acquired