disgustful vs repellent

disgustful is not a noun while repellent is a noun.

Word	Noun	Adjective	Verb	Adverb
disgustful	No	Yes	No	No
repellent	Yes	Yes	No	No

As adjectives, disgustful and repellent are synonyms defined as:

disgustful and repellent: highly offensive; arousing aversion or disgust

Other synonyms of disgustful include disgusting, distasteful, foul, loathly, loathsome, repellant, repelling, revolting, skanky, wicked, yucky.

disgustful (noun)	repellent (noun)
	the power to repel
	a chemical substance that repels animals
	a compound with which fabrics are treated to repel water

disgustful (adjective)	repellent (adjective)
highly offensive; arousing aversion or disgust	incapable of absorbing or mixing with
	highly offensive; arousing aversion or disgust
	serving or tending to repel