standpoint vs posture

standpoint and posture both are nouns.

Word	Noun	Adjective	Verb	Adverb
standpoint	Yes	No	No	No
posture	Yes	No	Yes	No

As nouns, posture is a hypernym of standpoint; that is, posture is a word with a broader meaning than standpoint:

Other hypernyms of standpoint include position, stance.

standpoint (noun)	posture (noun)
a mental position from which things are viewed	the arrangement of the body and its limbs
	characteristic way of bearing one's body
	capability in terms of personnel and materiel that affect the capacity to fight a war
	a rationalized mental attitude

standpoint (verb)	posture (verb)
	assume a posture as for artistic purposes
	behave affectedly or unnaturally in order to impress others