染 - dye, color, paint

contagion; infection

to be dyed

stain; spot; smudge; blot; smear; blotch

pollution; contamination

contagious disease; communicable disease; transmissible disease; infectious disease; epidemic

to pierce; to penetrate; to soak in; to permeate

familiar; well-known; regular (e.g. customer); favourite; favorite

chromosome

to dye; to colour; to color

dyeing; printing

dyeing

infectious disease; infection