option vs choice

option and choice both are nouns.

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

As nouns, option and choice are synonyms defined as:

Other synonyms of option include pick, selection.

As nouns, option and choice are synonyms defined as:

option and choice: one of a number of things from which only one can be chosen

Other synonyms of option include alternative.

option (noun)	choice (noun)
the act of choosing or selecting	the act of choosing or selecting
one of a number of things from which only one can be chosen	the person or thing chosen or selected
the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited	one of a number of things from which only one can be chosen

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