clear the air vs drive away

clear the air and drive away both are verbs.

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

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

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

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

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