-Ard

also -art noun suffix Etymology: Middle English, from Anglo-French, of Germanic origin; akin to Old High German -hart (in personal names such as GÄ“rhart Gerard), Old English heard hard one that is characterized by performing some action, possessing some quality, or being associated with some thing especially conspicuously or excessively
Example: braggart
Example: dullard
Example: pollard

Merriam-Webster's Collegiate Dictionary