defog vs modify

defog and modify both are verbs.

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

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

Other hypernyms of defog include alter, change.

defog (verb)	modify (verb)
free from mist	make less severe or harsh or extreme
	add a modifier to a constituent
	cause to change; make different; cause a transformation