drop behind vs dawdle

drop behind and dawdle both are verbs.

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

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

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

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

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