queasiness vs qualm

queasiness and qualm both are nouns.

Word	Noun	Adjective	Verb	Adverb
queasiness	Yes	No	No	No
qualm	Yes	No	No	No

As nouns, queasiness and qualm are synonyms defined as:

Other synonyms of queasiness include squeamishness.

queasiness (noun)	qualm (noun)
inability to rest or relax or be still	uneasiness about the fitness of an action (particularly for reasons of ethics, morals or propriety)
a mild state of nausea	a mild state of nausea