preference vs choice

preference and choice both are nouns.

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

As nouns, choice is a hypernym of preference; that is, choice is a word with a broader meaning than preference:

Other hypernyms of preference include alternative, option.

preference (noun)	choice (noun)
grant of favor or advantage to one over another (especially to a country or countries in matters of international trade, such as levying duties)	the act of choosing or selecting
the right or chance to choose	the person or thing chosen or selected
a predisposition in favor of something	one of a number of things from which only one can be chosen
a strong liking

preference (adjective)	choice (adjective)
	of superior grade
	appealing to refined taste