位冠[ikan] ancient headgear showing rank
衣冠[ikan] kimono and ancient head-dress
栄冠[eikan] laurels
王冠[oukan] crown
加冠[kakan] crowning a boy with a traditional cap for the first time at a coming-of-age ceremony

花冠[kakan] corolla (of flower)
冠を曲げる[kanmuriwomageru] to become displeased
冠位[kani] system indicating court ranks by headgear colors (colours)
冠婚葬祭[kankonsousai] important ceremonial occasions in family relationships
冠詞[kanshi] article

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)

鸚鵡[oumu] (large) parrot (inc. the cockatoo)
鸚鵡貝[oumugai] chambered nautilus (esp. species Nautilus pompilius)
鸚鵡返し[oumugaeshi] parroting another's words

鸚鵡病[oumubyou] psittacosis
梟鸚鵡[fukurououmu] kakapo (Strigops habroptila)
車冠鸚鵡[kurumasaoumu] Major Mitchell's cockatoo (Cacatua leadbeateri)

鸚鵡[oumu] (large) parrot (inc. the cockatoo)
鸚鵡貝[oumugai] chambered nautilus (esp. species Nautilus pompilius)
鸚哥[inko] true parrot (esp. small parrots such as the parakeet, lory and conure)
脊黄青鸚哥[sekiseiinko] budgerigar (Melopsittacus undulatus)
鸚鵡返し[oumugaeshi] parroting another's words

鸚鵡病[oumubyou] psittacosis
阿亀鸚哥[okameinko] cockatiel (Nymphicus hollandicus)
牡丹鸚哥[botaninko] lovebird (esp. Lilian's lovebird, Agapornis lilianae)
桃色鸚哥[momoiroinko] galah (Eolophus roseicapillus)
金剛鸚哥[kongouinko] macaw