-aholic
From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disability, Psychology, psychiatry-aholic-aholic /əhɒlɪk $ əhɒː-, əhɑː-/ suffix [in nouns and adjectives] MIMPsomeone who cannot stop doing something or using somethinga workaholic (=someone who never stops working)a chocaholic (=someone who loves chocolate)Examples from the Corpus-aholic• a chocaholic• a workaholicOrigin -aholic alcoholic