A dot of blood on a plate looks like KETCHUP.
blood type ★★☆☆☆ KUNKUN 血 (blood) + 液 (liquid) + 型 (type / proper way) = 血液型 (blood type)
to bleed ★★☆☆☆ 出 (pull out / hand over) + 血 (blood) = 出血 (to bleed)
vampire ★★☆☆☆ NEO 吸 (suck) + 血 (blood) + 鬼 (demon) = 吸血鬼 (vampire)
vampire (literally, 'suck blood devil.')
nosebleed ★☆☆☆☆ KUNKUN 鼻 (nose) + 血 (blood) = 鼻血 (nosebleed)