rearing vs upright

rearing and upright both are nouns.

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

rearing (noun)	upright (noun)
helping someone grow up to be an accepted member of the community	a piano with a vertical sounding board
the properties acquired as a consequence of the way you were treated as a child	a vertical structural member as a post or stake

rearing (adjective)	upright (adjective)
rearing on left hind leg with forelegs elevated and head usually in profile	upright in position or posture
	of moral excellence
	in a vertical position; not sloping