お返し の訳語→ come-back payback reply turn
可能性 の訳語→ can capability chance likelihood likely maybe odds option possibility potentiality probability promise prospect tendency thing viability way
効果 の訳語→ effect force impact kick logic power reaction result success
好意 の訳語→ appreciation courtesy favor generosity goodwill intervention kindness like offer trust
用心 の訳語→ care careful caution cautious heed mindful precaution
理由 の訳語→ answer argument basis because cause circumstance explanation ground justification point problem purpose ratio reason why