exchange vs stand in

exchange is a noun but stand in is not a noun.

Word	Noun	Adjective	Verb	Adverb
exchange	Yes	No	Yes	No
stand in	No	No	Yes	No

As verbs, stand in is a hyponym of exchange; that is, stand in is a word with a more specific, narrower meaning than exchange:

Other hyponyms of exchange include sell, cash, cash in, ransom, redeem, redeem, fill in, sub, substitute, swap, switch, swop, trade, barter, trade, trade in.

exchange (noun)	stand in (noun)
reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
the act of putting one thing or person in the place of another:
the act of changing one thing for another thing
the act of giving something in return for something received
(chess) the capture by both players (usually on consecutive moves) of pieces of equal value
(chess) gaining (or losing) a rook in return for a knight or bishop
(sports) an unbroken sequence of several successive strokes
a workplace for buying and selling; open only to members
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
a mutual expression of views (especially an unpleasant one)
chemical process in which one atom or ion or group changes places with another

exchange (verb)	stand in (verb)
exchange or replace with another, usually of the same kind or category	be a substitute
change over, change around, as to a new order or sequence
exchange a penalty for a less severe one
give to, and receive from, one another
put in the place of another; switch seemingly equivalent items
hand over one and receive another, approximately equivalent