How to say "sin" in Japanese

• 罪つみJLPT N3approx.Common
  na-adjective, no-adjectiveThe broad word for wrongdoing: sin as a moral or religious transgression, crime, or a mere indiscretion. Use it for a particular offense, whether confessed as sin or punished as crime.
  ビルはその罪つみを犯おかしていなかった。↗

  Bill did not commit the crime.
• 罪悪ざいあくCommon
  nounSin or vice: it presents wrongdoing as abstract moral evil, wickedness, rather than a particular act. Typical contexts are moral or religious discussion of evil in general, not the naming of one offense.
  大都会だいとかいには罪悪ざいあくがはびこっている。↗

  There is much crime in the big cities.

Choose 罪 for sin as wrongdoing — a moral or religious transgression, a crime, or a minor lapse — and 罪悪 when treating sin as abstract evil or vice rather than a specific offense.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 罪つみcrime
• 罪悪ざいあくcrime
• 罪業ざいごうsin
• 不善ふぜんevil
• とがsin