擬宝珠[giboshi] ornamental railing top
珠玉[shugyoku] gem
珠算[shuzan] calculation with abacus
珠暖簾[tamanoren] curtain made of strung beads
真円真珠[shinenshinju] cultured pearls

真珠[shinju] pearl
真珠光[shinjukou] pearl iridescence
真珠細工[shinjuzaiku] pearl work
真珠質[shinjushitsu] mother-of-pearl

胚芽[haiga] germ (of a cereal, e.g. wheat, rice)
胚子[haishi] embryo
胚珠[haishu] ovule
胚胎[haitai] germination
胚乳[hainyuu] albumen (of a seed, esp. the endosperm)

胚葉[haiyou] germ (germinal, embryonic) layers
外胚葉[gaihaiyou] ectoderm
胚性幹細胞[haiseikansaibou] embryonic stem cell
胚性[haisei] embryonic