mill about vs loaf

mill about is not a noun while loaf is a noun.

Word	Noun	Adjective	Verb	Adverb
mill about	No	No	Yes	No
loaf	Yes	No	Yes	No

As verbs, mill about and loaf are synonyms defined as:

Other synonyms of mill about include footle, hang around, lallygag, linger, loiter, lollygag, lounge, lurk, mess about, mill around, tarry.

mill about (noun)	loaf (noun)
	a shaped mass of baked bread that is usually sliced before eating
	a quantity of food (other than bread) formed in a particular shape

mill about (verb)	loaf (verb)
move about in a confused manner	be about a place without any apparent purpose
be about a place without any apparent purpose	be lazy or idle