liniment vs lotion

liniment and lotion both are nouns.

Word	Noun	Adjective	Verb	Adverb
liniment	Yes	No	No	No
lotion	Yes	No	No	No

As nouns, lotion is a hypernym of liniment; that is, lotion is a word with a broader meaning than liniment:

liniment: a medicinal liquid that is rubbed into the skin to relieve muscular stiffness and pain
lotion: liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin

Other hypernyms of liniment include application.

liniment (noun)	lotion (noun)
a medicinal liquid that is rubbed into the skin to relieve muscular stiffness and pain	any of various cosmetic preparations that are applied to the skin
	liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin