overcome vs get hold of

overcome and get hold of both are verbs.

Word	Noun	Adjective	Verb	Adverb
overcome	No	No	Yes	No
get hold of	No	No	Yes	No

As verbs, get hold of is a hyponym of overcome; that is, get hold of is a word with a more specific, narrower meaning than overcome:

Other hyponyms of overcome include devastate, clutch, seize, kill, benight, knock out, stagger, lock.

overcome (verb)	get hold of (verb)
get on top of; deal with successfully	affect
overcome, usually through no fault or weakness of the person that is overcome	be in or establish communication with
win a victory over	get into one's hands, take physically
overcome, as with emotions or perceptual stimuli