dawdle vs hang back

dawdle and hang back both are verbs.

Word	Noun	Adjective	Verb	Adverb
dawdle	No	No	Yes	No
hang back	No	No	Yes	No

As verbs, hang back is a hyponym of dawdle; that is, hang back is a word with a more specific, narrower meaning than dawdle:

dawdle: hang (back) or fall (behind) in movement, progress, development, etc.
hang back: to lag or linger behind

Other hyponyms of dawdle include drag, drop back, drop behind, get behind, trail.

dawdle (verb)	hang back (verb)
take one's time; proceed slowly	to lag or linger behind
hang (back) or fall (behind) in movement, progress, development, etc.
waste time