Wriggle
Part of speech: verb
Definition: To slightly twist one's body and quickly move one's limbs. To cause to or make something wriggle.
Part of speech: noun
Definition: A wriggling movement.
Wiggle
Part of speech: verb
Definition: To move with irregular, back and forward or side to side motions; To shake or jiggle
Part of speech: noun
Definition: A wiggling movement