适用 (shìyòng) · to be suitable

适 shì · match

What 适 is made of

• 辶 — walking, moving
• 舌shé — tongue
  • 千qiān — thousand
    • 丿 — falling stroke
    • 十 — ten
  • 口kǒu — mouth
    • 冂 — frame
    • 一 — horizontal stroke

Origin hint: 辶 gives the meaning, 舌 gives the sound. (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

用 yòng · to use

What 用 is made of

• 冂 — frame
  • 丨 — vertical stroke