佩びる[obiru] to wear
佩剣[haiken] wearing a sword
佩刀[haitou] carrying a sword

佩用[haiyou] wearing
佩く[haku] to put on (or wear) lower-body clothing (i.e. pants, skirt, etc.)
感佩[kanpai] deep gratitude

一刀[ittou] sword
一刀彫り[ittoubori] one-knife carving
一刀両断[ittouryoudan] cutting in two with a single stroke
印刀[intou] seal-engraving knife
円刃刀[enjintou] round-edged scalpel

快刀[kaitou] (literary) sharp sword
快刀乱麻[kaitouranma] solving a problem swiftly and skillfully
懐刀[futokorogatana] confidant
儀刀[gitou] ceremonial sword
軍刀[guntou] saber