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

お大事に[odaijini] take care of yourself
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
偉大[idai] greatness

医科大学[ikadaigaku] medical school
医大[idai] medical university
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一大[ichidai] one large ...
一大事[ichidaiji] serious affair

太太しい[futebuteshii] impudent
アジア太平洋地域[ajiataiheiyouchiiki] Asia-Pacific region
伊太利[itarii] Italy
豪太剌利[oosutoraria] Australia
墺太利[oosutoria] Austria

プー太郎[puutarou] vagabond
猶太[yudaya] Judea (southern Palestine)
悪太郎[akutarou] bad boy
一姫二太郎[ichihimenitarou] It's good to have a girl first and then a boy
羽太[hata] sea basses