Mammoth Uncensored Word List:
41 words ending with rk, 7 letters long

airpark artwork berserk bulwark carpark cutwork daymark daywork diquark disbark dispark earmark finmark futhark futhork hauberk hayfork lapwork legwork mismark mudlark network nonwork ostmark outbark outwork pinwork prework pugmark ragwork ribwork seamark skylark tanbark tinwork titlark topwork warwork waxwork waymark webwork