in love vs enamored

in love and enamored both are adjectives.

Word	Noun	Adjective	Verb	Adverb
in love	No	Yes	No	No
enamored	No	Yes	No	No

As adjectives, in love and enamored are synonyms defined as:

Other synonyms of in love include infatuated, potty, smitten, soft on, taken with.

in love (adjective)	enamored (adjective)
marked by foolish or unreasoning fondness	marked by foolish or unreasoning fondness