disgusted vs fed up

disgusted and fed up both are adjectives.

Word	Noun	Adjective	Verb	Adverb
disgusted	No	Yes	No	No
fed up	No	Yes	No	No

As adjectives, disgusted and fed up are synonyms defined as:

Other synonyms of disgusted include sick, sick of, tired of.

disgusted (adjective)	fed up (adjective)
having a strong distaste from surfeit	having a strong distaste from surfeit