My favourite anomaly is the word "dog" it is not derived from any other language, it just suddenly appeared in the English Language, most other words for a dog come from latin or norse.
Interestingly the word for a pack saddle still in use today here is the same as Icelanidc. Klibber.
And there is many a place around here called "Hestigarth" or Hestingsetter" all norse names for horse farms. "Hestaford" speaks for itself.