overturn vs modify

overturn is a noun but modify is not a noun.

Word	Noun	Adjective	Verb	Adverb
overturn	Yes	No	Yes	No
modify	No	No	Yes	No

As verbs, modify is a hypernym of overturn; that is, modify is a word with a broader meaning than overturn:

Other hypernyms of overturn include alter, change.

overturn (noun)	modify (noun)
the act of upsetting something
an improbable and unexpected victory

overturn (verb)	modify (verb)
change radically	make less severe or harsh or extreme
rule against	add a modifier to a constituent
cancel officially	cause to change; make different; cause a transformation
turn from an upright or normal position
cause to overturn from an upright or normal position
cause the downfall of; of rulers