Look in the OED & you'll find "brrrr", with a rare 4 Rs: it's this one of the traditional 8 parts of speech
In this verse you'll notice the words I and eye  two words with the 
same... [DOC] [TLE] Much Ado About English- Up and Down the Bizarre Byways ... - Scribd [PAR] Or one that contains such confusing pairs of words as venal and venial?