荷厄介[niyakkai] encumbrance
災厄[saiyaku] calamity
前厄[maeyaku] the year before a critical age
御厄[mogasa] smallpox
厄介[yakkai] trouble

厄介事[yakkaigoto] trouble
厄介者[yakkaimono] dependent
厄介払い[yakkaibarai] driving off a troublesome person
厄介物[yakkaimono] nuisance

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