1) Exclusively Anglo word 2) Exclusively Saxon word 3) Work 4) Word with Anglo-Saxon origins 5) Word of purely Anglo origin 
[river] The Wark (Waark) is a river flowing through Luxembourg, joining the Alzette at Ettelbruck. It flows through the towns of Mertzig, Feulen, Welscheid and Warken. ...
• (n.) Work; a building.
Wark noun [ See Work .] Work; a building. [ Obsolete or Scot.] Spenser.