upright vs attitude

upright and attitude both are nouns.

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

upright (noun)	attitude (noun)
a piano with a vertical sounding board	a theatrical pose created for effect
a vertical structural member as a post or stake	the arrangement of the body and its limbs
	a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways
	position of aircraft or spacecraft relative to a frame of reference (the horizon or direction of motion)

upright (adjective)	attitude (adjective)
upright in position or posture
of moral excellence
in a vertical position; not sloping