upend vs pose

upend is not a noun while pose is a noun.

Word	Noun	Adjective	Verb	Adverb
upend	No	No	Yes	No
pose	Yes	No	Yes	No

As verbs, pose is a hypernym of upend; that is, pose is a word with a broader meaning than upend:

Other hypernyms of upend include lay, place, position, put, set.

upend (noun)	pose (noun)
	a deliberate pretense or exaggerated display
	affected manners intended to impress others
	a posture assumed by models for photographic or artistic purposes

upend (verb)	pose (verb)
set, turn, or stand on end	be a mystery or bewildering to
become turned or set on end	pretend to be someone you are not; sometimes with fraudulent intentions
	put into a certain place or abstract location
	assume a posture as for artistic purposes
	behave affectedly or unnaturally in order to impress others
	offer for others to consider