active; energetic; vigorous; positive (outlook); proactive
积 (jī) · 10 strokes
Phonosemantic compound. 禾 represents the meaning and 只 represents the sound. Simplified form of 積.
极 (jí) · 7 strokes
Phonosemantic compound. 木 represents the meaning and 及 represents the sound. Simplified form of 極.