hefty vs tidy

hefty is not a noun while tidy is a noun.

Word	Noun	Adjective	Verb	Adverb
hefty	No	Yes	No	No
tidy	Yes	Yes	Yes	No

As adjectives, hefty and tidy are synonyms defined as:

Other synonyms of hefty include goodish, goodly, healthy, respectable, sizable, sizeable.

hefty (noun)	tidy (noun)
	receptacle that holds odds and ends (as sewing materials)

hefty (adjective)	tidy (adjective)
large in amount or extent or degree	marked by order and cleanliness in appearance or habits
of considerable weight and size	large in amount or extent or degree
(of a person) possessing physical strength and weight; rugged and powerful	(of hair) neat and tidy

hefty (verb)	tidy (verb)
	put (things or places) in order