ball over vs take aback

ball over and take aback both are verbs.

Word	Noun	Adjective	Verb	Adverb
ball over	No	No	Yes	No
take aback	No	No	Yes	No

As verbs, ball over and take aback are synonyms defined as:

Other synonyms of ball over include blow out of the water, floor, shock.

ball over (verb)	take aback (verb)
surprise greatly; knock someone's socks off	surprise greatly; knock someone's socks off