to come in
进 (jìn) · 7 strokes
Phonosemantic compound. 辶 represents the meaning and 井 represents the sound. Simplified form of 進.
来 (lái) · 7 strokes
Simplified form of 來. Pictograph of a stalk of wheat. The current meaning "come" is a phonetic loan. The original meaning "wheat" is now written as 麥.