clear the air vs drive off

clear the air and drive off both are verbs.

Word	Noun	Adjective	Verb	Adverb
clear the air	No	No	Yes	No
drive off	No	No	Yes	No

As verbs, drive off is a hypernym of clear the air; that is, drive off is a word with a broader meaning than clear the air:

clear the air: dispel differences or negative emotions
drive off: force to go away; used both with concrete and metaphoric meanings

Other hypernyms of clear the air include chase away, dispel, drive away, drive out, run off, turn back.

clear the air (verb)	drive off (verb)
dispel differences or negative emotions	force to go away; used both with concrete and metaphoric meanings