tyr·an·nous 
(tĭrə-nəs)
(tĭrə-nəs)adj.
Characterized by tyranny; despotic.
tyran·nous·ly adv.
- discombobulation
- discomfit
- discomfiture
- discomfort
- discomfortable
- discomfortingly
- discommend
- discommendable
- discommode
- discompose
- discomposedly
- discomposure
- disconcert
- disconcertingly
- disconformity
- disconnect
- disconnected
- disconnectedly
- disconnectedness
- disconnection
- disconsolate
- disconsolately
- disconsolation
- discontent
- discontented