计划 (jìhuà) · plan

计 jì · to calculate

What 计 is made of

• 讠yán — speech
• 十 — ten
  • 一 — horizontal stroke
  • 丨 — vertical stroke

Origin hint: 讠 gives the meaning, 十 gives the sound. (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

划 huá · to row

What 划 is made of

• 戈gē — spear
• 刂dāo — knife
  • 丨 — vertical stroke
  • 亅 — hook