subtle
微 (Wēi) · 13 strokes
Phonosemantic compound. 彳 represents the meaning and 𢼸 represents the sound. Based on the original meaning "go out and hide". The meaning later shifted to "conceal" and "tiny".
妙 (miào) · 7 strokes
Phonosemantic compound. 女 represents the meaning and 少 represents the sound.