dawdle vs get behind

dawdle and get behind both are verbs.

Word	Noun	Adjective	Verb	Adverb
dawdle	No	No	Yes	No
get behind	No	No	Yes	No

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

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

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

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