円窓[marumado] round window
格子窓[koushimado] latticed window
丸窓[marumado] circular window
車窓[shasou] train window
出窓[demado] bay window

切り窓[kirimado] windows cut out of a wall
窓ごし[madogoshi] viewing through a window
窓口[madoguchi] ticket window
窓際[madogiwa] (at the) window

グリーン車[guriinsha] green car (1st class)
愛車[aisha] (one's) beloved car
医療車[iryousha] clinic car
井戸車[idoguruma] well pulley
１等車[ittousha] first-class carriage (coach)

一輪車[ichirinsha] unicycle
横車[yokoguruma] perverseness
下り列車[kudariressha] trains going away from the capital
下車[gesha] alighting (from train, bus, etc.)
火の車[hinokuruma] fiery chariot (which carries the souls of sinners into hell)