soreness vs discomfort

soreness and discomfort both are nouns.

Word	Noun	Adjective	Verb	Adverb
soreness	Yes	No	No	No
discomfort	Yes	No	No	No

As nouns, soreness and discomfort are synonyms defined as:

soreness and discomfort: an uncomfortable feeling of mental painfulness or distress

Other synonyms of soreness include irritation.

soreness (noun)	discomfort (noun)
an uncomfortable feeling of mental painfulness or distress	an uncomfortable feeling of mental painfulness or distress
a pain that is felt (as when the area is touched)	the state of being tense and feeling pain