化石燃料[kasekinenryou] fossil fuel
可燃[kanen] inflammable
可燃性[kanensei] combustibility
可燃物[kanenbutsu] combustibles
核燃料[kakunenryou] atomic fuel

再燃[sainen] recurrence
代燃車[dainensha] car running on substitute fuel
内燃機関[nainenkikan] internal-combustion engine
燃える[moeru] to burn
燃え移る[moeutsuru] (of fire) to spread

マルコフ遷移[marukofuseni] Markov transition
移す[utsusu] to change
移り気[utsurigi] whim
移りゆく[utsuriyuku] to change
移り香[utsuriga] lingering scent

移り変り[utsurikawari] change (e.g. season)
移る[utsuru] to move (house)
移ろう[utsurou] to change (with the passage of time)
移管[ikan] transfer of control
移行[ikou] switching over to