free-thinking vs faith

free-thinking is not a noun while faith is a noun.

Word	Noun	Adjective	Verb	Adverb
free-thinking	No	Yes	No	No
faith	Yes	No	No	No

free-thinking (noun)	faith (noun)
	loyalty or allegiance to a cause or a person
	a strong belief in a supernatural power or powers that control human destiny
	complete confidence in a person or plan etc
	an institution to express belief in a divine power

free-thinking (adjective)	faith (adjective)
unwilling to accept authority or dogma (especially in religion)