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