淀 ⇒
淀粉 diànfěn, [澱粉], starch/amylum C6H0O
沉淀 chéndiàn, [沉澱], to settle/to precipitate (solid sediment out of a solution)
沉淀物 chéndiànwù, [沉澱物], precipitate/solid sediment
淀粉酶 diànfěnméi, [澱粉酶], amylase
淀 diàn, [澱], shallow water, sediment/precipitate
积淀 jīdiàn, [積澱], deposits accumulated over long periods/fig. valuable experience, accumulated wis...