• vipers occurs 3 times in 2 speeches within 2 works.
  
• Possibly related words: viper, viperous
• Users have searched 49 times for vipers in Open Source Shakespeare.

• The numbers below indicate the number of speeches
  in which vipers appears in each listed work. If a single speech
  contains vipers more than once, the speech will still be counted once
  as part of the total count.
• You may want to see all the instances at once.

Richard II (1)
Troilus and Cressida (1)