posture vs attitude

posture and attitude both are nouns.

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

As nouns, posture and attitude are synonyms defined as:

Other synonyms of posture include position.

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

posture: a rationalized mental attitude
attitude: a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways

Other hypernyms of posture include mental attitude.

posture (noun)	attitude (noun)
the arrangement of the body and its limbs	a theatrical pose created for effect
characteristic way of bearing one's body	the arrangement of the body and its limbs
capability in terms of personnel and materiel that affect the capacity to fight a war	a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways
a rationalized mental attitude	position of aircraft or spacecraft relative to a frame of reference (the horizon or direction of motion)

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