whip hand vs upper hand

whip hand and upper hand both are nouns.

Word	Noun	Adjective	Verb	Adverb
whip hand	Yes	No	No	No
upper hand	Yes	No	No	No

As nouns, whip hand and upper hand are synonyms defined as:

whip hand (noun)	upper hand (noun)
position of advantage and control	position of advantage and control