As nouns the difference between potation and motation
is that potation is (often|plural) the act of drinking while motation is (obsolete) motion; movement.
potation
English
Noun
(
en noun)
(often, plural) The act of drinking.
A drink, especially of an alcoholic beverage.
Quotations
*1819 , , Ivanhoe ,
*:Perhaps his nocturnal potations , prevented him from recognising accents which were tolerably familiar to him.