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

茜差す空[akanesasusora] glowing sky
一差し[hitosashi] dance
雲泥の差[undeinosa] wide difference
仮差押[karisashiosae] provisional seizure
価格差[kakakusa] price margin

格差[kakusa] qualitative difference
確率誤差[kakuritsugosa] random error
目差[manazashi] (a) look
僅差[kinsa] narrow margin
僅少差[kinshousa] narrow majority