-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 Gērhart 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