休憩[kyuukei] rest
休憩時間[kyuukeijikan] rest time
休憩室[kyuukeishitsu] break room
休憩所[kyuukeijo] rest area
憩う[ikou] to rest

少憩[shoukei] short rest
憩室[keishitsu] diverticulum
小憩[shoukei] a short break or breather
憩いの場[ikoinoba] place for relaxation and refreshment