predilection vs preference

predilection and preference both are nouns.

Word	Noun	Adjective	Verb	Adverb
predilection	Yes	No	No	No
preference	Yes	No	No	No

As nouns, predilection and preference are synonyms defined as:

Other synonyms of predilection include orientation.

As nouns, predilection and preference are synonyms defined as:

Other synonyms of predilection include penchant, taste.

predilection (noun)	preference (noun)
a predisposition in favor of something	grant of favor or advantage to one over another (especially to a country or countries in matters of international trade, such as levying duties)
a strong liking	the right or chance to choose
	a predisposition in favor of something
	a strong liking