汚職【おしょく】
corruption
汚染【おせん】
pollution, contamination
汚れ【よごれ】
dirt, filth, stain, blot, spot
汚名【おめい】
bad name, bad reputation, disgrace, dishonour, dishonor, stigma, infamy
汚れる【よごれる】
to get dirty, to become dirty, to become sullied, to become corrupted, to lose one's chastity
汚点【おてん】
stain, blot, flaw, disgrace
汚物【おぶつ】
filth (esp. excrement, feces, urine), muck, waste, garbage, dirt, dust
汚い【きたない】
dirty, filthy, foul, unclean, disordered, messy, untidy, poor (e.g. handwriting), indecent (language, etc.), dirty, vulgar, coarse, dastardly, mean, base, underhanded, stingy, greedy
汚す【よごす】
to pollute, to contaminate, to soil, to make dirty, to stain, to disgrace, to dishonour, to dishonor, to defile