顎ひげ[agohige] beard (esp. on the chin) 下顎骨[kagakukotsu] mandible 顎関節[gakukansetsu] jaw joint 顎で使う[agodetsukau] to set somebody to work in an arrogant fashion
鬚髯[shuzen] mustache and beard 口鬚[kuchihige] moustache 顎鬚[agohige] beard (esp. on the chin) 虎鬚[torahige] bristly beard or mustache 鬚を生やす[higewohayasu] to grow a beard