Level IV of XX on the frequency path
Frequency rank 428 / 2,608
Frequent enough that you will keep running into it once you read past headlines.
More common than 区 (District), less common than 負 (Lose).
The go radical flanks a mouth with a lid in the center -- sentries who go around a lidded mouth (fortress) provide defense.
衛 is rank 428 of 2,608 in published Japanese.
Study 衛 →