offensive vs queasy

offensive is a noun but queasy is not a noun.

Word	Noun	Adjective	Verb	Adverb
offensive	Yes	Yes	No	No
queasy	No	Yes	No	No

As adjectives, offensive and queasy are synonyms defined as:

Other synonyms of offensive include loathsome, nauseating, nauseous, noisome, sickening, vile.

offensive (noun)	queasy (noun)
the action of attacking an enemy

offensive (adjective)	queasy (adjective)
unpleasant or disgusting especially to the senses	feeling nausea; feeling about to vomit
causing anger or annoyance	causing or fraught with or showing anxiety
for the purpose of attack rather than defense	causing or able to cause nausea
morally offensive
violating or tending to violate or offend against
causing or able to cause nausea