There's only two common uses of -holic and that's alcoholic - someone addicted to alcohol workaholic - someone who spends so much time at their work that they neglect other important areas of their life like their health or family The only other one I can even think of is the slang 'chocoholic' which just means someone who really, really likes chocolate.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.