loyal vs faithful

loyal is not a noun while faithful is a noun.

Word	Noun	Adjective	Verb	Adverb
loyal	No	Yes	No	No
faithful	Yes	Yes	No	No

loyal (noun)	faithful (noun)
	a group of people who adhere to a common faith and habitually attend a given church
	any loyal and steadfast following

loyal (adjective)	faithful (adjective)
steadfast in allegiance or duty	steadfast in affection or allegiance
inspired by love for your country	not having sexual relations with anyone except your husband or wife, or your boyfriend or girlfriend
unwavering in devotion to friend or vow or cause	marked by fidelity to an original