估 估 gū Strokes7 Radical 亻 — man, person Made of 亻 man, person 古 old, classic, ancient How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 估
计 计 jì Strokes4 Radical 讠 — words, speech Made of 讠 words, speech 十 ten, tenth How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 计