In lang=en terms the difference between peanut and dog

is that peanut is to pull on somebody's tie as a prank, causing the knot to tighten while dog is to follow in an annoying way, to constantly be affected by.

As nouns the difference between peanut and dog

is that peanut is a legume resembling a nut, the fruit of the plant while dog is a mammal, canis lupus familiaris , that has been domesticated for thousands of years, of highly variable appearance due to human breeding.

As verbs the difference between peanut and dog

is that peanut is to pull on somebody's tie as a prank, causing the knot to tighten while dog is to pursue with the intent to catch.