stile vs upright

stile and upright both are nouns.

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

As nouns, upright is a hypernym of stile; that is, upright is a word with a broader meaning than stile:

Other hypernyms of stile include vertical.

stile (noun)	upright (noun)
an upright that is a member in a door or window frame	a piano with a vertical sounding board
	a vertical structural member as a post or stake

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