小匙[kosaji] teaspoon
大匙[oosaji] tablespoon
茶匙[chasaji] teaspoon
飯匙倩[habu] habu (East Asian pit viper of genus Trimeresurus)
匙加減[sajikagen] prescription

匙を投げる[sajiwonageru] to give up (something as hopeless)
本飯匙倩[honhabu] Okinawan habu (Trimeresurus flavoviridis)
台湾飯匙倩[taiwanhabu] Taiwanese habu (Trimeresurus mucrosquamatus)
石匙[ishisaji] stone knife (Jomon-period tool, shaped like a rice spoon)

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