sweet pepperbush(n = noun.plant) clethra alnifolia, pepper bush, summer sweet, white alder - shrub of eastern and southern coastal United States having beautiful racemes of spice-scented white flowers;
is a kind of bush, shrub

american sweet chestnut, american sweet gum, henry sweet, short and sweet, summer sweet, sweet, sweet acacia, sweet alison, sweet almond, sweet almond oil, sweet alyssum, sweet balm, sweet basil, sweet bay, sweet bells, sweet birch, sweet buckeye, sweet calabash, sweet calamus, sweet cassava, sweet cherry, sweet chestnut, sweet cicely, sweet cider, sweet clover, sweet coltsfoot, sweet corn, sweet corn plant, sweet cup, sweet elder, sweet false chamomile, sweet fanny adams, sweet fern, sweet flag, sweet four o'clock, sweet gale, sweet goldenrod, sweet granadilla, sweet grass, sweet gum, sweet gum tree, sweet lemon, sweet lime, sweet marjoram, sweet melon, sweet melon vine, sweet nothings, sweet oil, sweet on, sweet orange, sweet orange tree, sweet pea, sweet pepper, sweet pepper plant, sweet pickle, sweet potato, sweet potato vine, sweet reseda, sweet rocket, sweet roll, sweet sand verbena, sweet scabious, sweet shop, sweet shrub, sweet smelling, sweet sorghum, sweet sultan, sweet talk, sweet talker, sweet tooth, sweet unicorn plant, sweet vermouth, sweet vetch, sweet violet, sweet wattle, sweet white violet, sweet william, sweet woodruff, sweet wormwood, white sweet clover, wild sweet pea, wild sweet potato vine, winter sweet, yellow sweet clover