Difference between Whisker and Hairsbreadth

What is the difference between Whisker and Hairsbreadth?

Whisker as a noun is that part of the beard which grows upon the sides of the face, usually of the male, or upon the chin, or upon both while Hairsbreadth as a noun is a very short distance or a very small amount (as is the width of a hair)

We hope you now know whether to use Whisker or Hairsbreadth in your sentence.