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

一斑[ippan] spot (glimpse, outline)
黄斑[ouhan] macula
虎斑[torafu] tiger's stripes
斑馬[shimauma] zebra
出血斑[shukketsuhan] bloody spots

雀斑[sobakasu] freckles
石斑魚[ugui] Japanese dace (Tribolodon hakonensis)
斑白[hanpaku] grayish color
斑点[hanten] speck

樺色[kabairo] reddish yellow
白樺[shirakaba] Japanese white birch (Betula platyphylla var. japonica)
樺太鱒[karafutomasu] pink salmon (Oncorhynchus gorbuscha)
樺の木科[kabanokika] Betulaceae (plant family)
鵜松明樺[udaikanba] monarch birch (Betula maximowicziana)

岳樺[dakekanba] Erman's birch (Betula ermanii)
樺太シシャモ[karafutoshishamo] capelin
大樺斑[ookabamadara] monarch butterfly (Danaus plexippus)
樺太[karafuto] Karafuto (Japanese name for Sakhalin)