As verbs the difference between snitch and dob
is that
snitch is to steal, quickly and quietly while
dob is to report (a person) to someone in authority for a wrongdoing or
dob can be (intransitive|sometimes|humorous) in the scouting movement, to chant
dob to indicate that one will do one's best to follow the scouting laws.
As nouns the difference between snitch and dob
is that
snitch is a thief while
dob is a small amount of something, especially paste.
As an initialism dob is
date of birth.