unclean vs soiled

unclean and soiled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unclean	No	Yes	No	No
soiled	No	Yes	No	No

As adjectives, unclean and soiled are synonyms defined as:

Other synonyms of unclean include dirty.

unclean (adjective)	soiled (adjective)
having a physical or moral blemish so as to make impure according to dietary or ceremonial laws	soiled or likely to soil with dirt or grime
soiled or likely to soil with dirt or grime