吾亦紅[waremokou] burnet
口紅[kuchibeni] lipstick
紅焔[kouen] red flame
紅花[benibana] safflower
紅海[koukai] Red Sea

紅冠鳥[koukanchou] cardinal (bird) (Cardinalis cardinalis)
紅顔[kougan] rosy cheeks
紅唇[koushin] red lips
紅藻[kousou] red algae
紅茶[koucha] black tea

色褪める[irozameru] to fade in color
蒼褪める[aozameru] to become pale
褪せる[aseru] to fade
褪める[sameru] to fade

褪紅[taikou] pink
褪色[taishoku] fading
色褪せる[iroaseru] to fade
褪紅色[taikoushoku] (light) pink