acquired taste vs predilection

acquired taste and predilection both are nouns.

Word	Noun	Adjective	Verb	Adverb
acquired taste	Yes	No	No	No
predilection	Yes	No	No	No

As nouns, predilection is a hypernym of acquired taste; that is, predilection is a word with a broader meaning than acquired taste:

acquired taste: a preference that is only acquired after considerable experience
predilection: a strong liking

Other hypernyms of acquired taste include penchant, preference, taste.

acquired taste (noun)	predilection (noun)
a preference that is only acquired after considerable experience	a predisposition in favor of something
	a strong liking