Do you know ghouls from goblins and ghosts?
early 15c., from Medieval Latin lenitivus, from Latin lenitus, past participle of lenire "to soften" (see lenient). As a noun, from early 15c.
lenitive len·i·tive (lěn'ĭ-tĭv)adj. Capable of easing pain or discomfort. n. A lenitive medicine.