The crossword solution for the term 'WHAT LINIMENT EASES' is ACHE, which is a four-letter word. Liniment is a type of topical medication that is applied to the skin to relieve pain and inflammation. It is often used to treat muscle aches, joint pain, and other minor injuries. Liniment is usually composed of ingredients such as menthol, camphor, and eucalyptus oil, which help to reduce swelling and provide relief from pain.