is a specific kind of: unpalatability, unpalatableness.

derivation: disgustful, disgusting, distasteful, foul, loathly, loathsome, repellant, repellent, repelling, revolting, skanky, wicked, yucky | distasteful, unsavory, unsavoury | loathsome, nauseating, nauseous, noisome, offensive, queasy, sickening, vile.

is a specific kind of: unpleasantness.

is a broader term that covers: blatancy | loathsomeness, lousiness, repulsiveness, sliminess, vileness, wickedness | hatefulness, objectionableness, obnoxiousness.

is an attribute of: offensive | inoffensive | offensive | inoffensive, unoffending.

derivation: abominable, detestable, execrable, odious | disgustful, disgusting, distasteful, foul, loathly, loathsome, repellant, repellent, repelling, revolting, skanky, wicked, yucky | offensive, unsavory, unsavoury | offensive, violative | loathsome, nauseating, nauseous, noisome, offensive, queasy, sickening, vile.