drop back vs dawdle

drop back and dawdle both are verbs.

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

As verbs, dawdle is a hypernym of drop back; that is, dawdle is a word with a broader meaning than drop back:

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

Other hypernyms of drop back include fall back, fall behind, lag.

drop back (verb)	dawdle (verb)
take position in the rear, as in a military formation or in the line of scrimmage in football	take one's time; proceed slowly
to lag or linger behind	hang (back) or fall (behind) in movement, progress, development, etc.
	waste time