慎重【しんちょう】
careful, cautious, prudent, discreet, deliberate
慎む【つつしむ】
to be careful, to be discreet, to do in moderation, to refrain (from overdoing), to abstain, to be reverent, to be purified, to be chaste
不謹慎【ふきんしん】
indiscrete, imprudent, unscrupulous
慎み【つつしみ】
modesty, self-control, discretion