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

御出でになる[oideninaru] to be
御珍々[ochinchin] penis
御田[oden] oden
御鍋[onabe] pot
御負けに[omakeni] to make matters worse

御呪い[omajinai] good luck charm
御襁褓気触れ[omutsukabure] diaper rash
御目出度う御座います[omedetougozaimasu] congratulations
御握り[onigiri] rice ball (often triangular, sometimes with a filling and wrapped in nori)
御陰[okage] grace (of God)