set aside vs nullify

set aside and nullify both are verbs.

Word	Noun	Adjective	Verb	Adverb
set aside	No	No	Yes	No
nullify	No	No	Yes	No

As verbs, nullify is a hypernym of set aside; that is, nullify is a word with a broader meaning than set aside:

Other hypernyms of set aside include annul, avoid, invalidate, quash, void.

set aside (verb)	nullify (verb)
make inoperative or stop	make ineffective by counterbalancing the effect of
give or assign a resource to a particular person or cause	show to be invalid
annul (a legal decision)	declare invalid