dispel vs shoo off

dispel and shoo off both are verbs.

Word	Noun	Adjective	Verb	Adverb
dispel	No	No	Yes	No
shoo off	No	No	Yes	No

As verbs, shoo off is a hyponym of dispel; that is, shoo off is a word with a more specific, narrower meaning than dispel:

Other hyponyms of dispel include fire, clear the air, banish, shoo, shoo away.

dispel (verb)	shoo off (verb)
force to go away; used both with concrete and metaphoric meanings	drive away by crying `shoo!'
to cause to separate and go in different directions