option vs selection

option and selection both are nouns.

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

As nouns, option and selection are synonyms defined as:

Other synonyms of option include choice, pick.

option (noun)	selection (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	a passage selected from a larger work
	an assortment of things from which a choice can be made
	a natural process resulting in the evolution of organisms best adapted to the environment