repellant vs distasteful

repellant is a noun but distasteful is not a noun.

Word	Noun	Adjective	Verb	Adverb
repellant	Yes	Yes	No	No
distasteful	No	Yes	No	No

As adjectives, repellant and distasteful are synonyms defined as:

repellant and distasteful: highly offensive; arousing aversion or disgust

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

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

repellant (adjective)	distasteful (adjective)
highly offensive; arousing aversion or disgust	highly offensive; arousing aversion or disgust
serving or tending to repel	not pleasing in odor or taste