coşku
coşkun
(Turkish - English dictionary) :
1. enthusiastic, exuberant, ebullient. 2. excited. 3. ebullient, foaming, turbulent, or wild (water); tempestuous, gusty, blustery, or whipping (wind). 4. thunderous (applause).
coşkunluk
(Turkish - English dictionary) :
enthusiasm, exuberance, ebullience.
coşkusal
(Turkish - English dictionary) :
1. enthusiastic, relating to enthusiasm. 2. exciting. 3. overly excitable.