ventilate vs modify

ventilate and modify both are verbs.

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

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

ventilate: furnish with an opening to allow air to circulate or gas to escape
modify: cause to change; make different; cause a transformation

Other hypernyms of ventilate include alter, change.

ventilate (verb)	modify (verb)
expose to cool or cold air so as to cool or freshen	make less severe or harsh or extreme
furnish with an opening to allow air to circulate or gas to escape	add a modifier to a constituent
give expression or utterance to	cause to change; make different; cause a transformation
circulate through and freshen
expose to the circulation of fresh air so as to retard spoilage