arbitrage vs arbitrager

arbitrage and arbitrager both are nouns.

Word	Noun	Adjective	Verb	Adverb
arbitrage	Yes	No	Yes	No
arbitrager	Yes	No	No	No

arbitrage (noun)	arbitrager (noun)
a kind of hedged investment meant to capture slight differences in price; when there is a difference in the price of something on two different markets the arbitrageur simultaneously buys at the lower price and sells at the higher price	someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential)

arbitrage (verb)	arbitrager (verb)
practice arbitrage, as in the stock market