fain vs inclined

fain and inclined both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fain	No	Yes	No	Yes
inclined	No	Yes	No	No

As adjectives, fain and inclined are synonyms defined as:

Other synonyms of fain include disposed, prepared.

fain (adjective)	inclined (adjective)
having made preparations	at an angle to the horizontal or vertical position
	(often followed by `to') having a preference, disposition, or tendency
	having made preparations

fain (adverb)	inclined (adverb)
with pleasure