21D · water (one of the four elements)

25G53(+0) · algae, seaweed (+ variant)

47D41 · watermill

47D7(PADDLEWHEEL) · parts of machines (PADDLEWHEEL)

86(VOM WASCHEN IMMER SCHWÄRZER) · proverbs, sayings, etc. (VOM WASCHEN IMMER SCHWÄRZER)