attitudinise vs posture

attitudinise is not a noun while posture is a noun.

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

As verbs, posture is a hypernym of attitudinise; that is, posture is a word with a broader meaning than attitudinise:

Other hypernyms of attitudinise include pose.

attitudinise (noun)	posture (noun)
	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

attitudinise (verb)	posture (verb)
assume certain affected attitudes	assume a posture as for artistic purposes
	behave affectedly or unnaturally in order to impress others