How to say "legs" in Japanese

• 下肢かしCommon
  nounCovers 'legs' in the anatomical sense of the lower limbs. It is a common word with a clinical or formal feel, typical in medical, sports-medicine, or rehabilitation contexts rather than everyday conversation.
• 下脚かきゃく
  nounAlso glossed as 'legs; lower limbs', but it is a less common way to say this. For most purposes this is seldom the word you want; it appears mainly in technical or specialized writing, so 下肢 is usually the safer choice.

For the anatomical sense of 'legs', 下肢 is the usual medical-style word for the lower limbs, while 下脚 covers the same meaning but is less common, so prefer 下肢 in most contexts.

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

• 下肢かしlower limbs
• 下脚かきゃくlegs