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

茨城県[ibarakiken] Ibaraki prefecture (Kantou area)
茨の冠[ibaranokanmuri] a crown of thorns
茨の道[ibaranomichi] thorny path
茨垣[ibaragaki] thorn hedge

猿捕茨[sarutoriibara] Smilax china (species of sarsaparilla)
茨姫[ibarahime] Sleeping Beauty
野茨[noibara] multiflora rose (Rosa multiflora)