querulousness vs temper

querulousness and temper both are nouns.

Word	Noun	Adjective	Verb	Adverb
querulousness	Yes	No	No	No
temper	Yes	No	Yes	No

As nouns, temper is a hypernym of querulousness; that is, temper is a word with a broader meaning than querulousness:

Other hypernyms of querulousness include biliousness, irritability, peevishness, pettishness, snappishness, surliness.

querulousness (noun)	temper (noun)
the quality of being given to complaining	the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
	a disposition to exhibit uncontrolled anger
	a characteristic (habitual or relatively temporary) state of feeling
	a sudden outburst of anger

querulousness (verb)	temper (verb)
	make more temperate, acceptable, or suitable by adding something else
	adjust the pitch (of pianos)
	harden by reheating and cooling in oil
	change by restraining or moderating
	bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling