lagger vs dawdler

lagger and dawdler both are nouns.

Word	Noun	Adjective	Verb	Adverb
lagger	Yes	No	No	No
dawdler	Yes	No	No	No

As nouns, lagger and dawdler are synonyms defined as:

lagger and dawdler: someone who takes more time than necessary; someone who lags behind

Other synonyms of lagger include drone, laggard, poke, trailer.

lagger (noun)	dawdler (noun)
someone who takes more time than necessary; someone who lags behind	someone who takes more time than necessary; someone who lags behind