sizeable vs tidy

sizeable is not a noun while tidy is a noun.

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

As adjectives, sizeable and tidy are synonyms defined as:

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

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

sizeable (adjective)	tidy (adjective)
large in amount or extent or degree	marked by order and cleanliness in appearance or habits
fairly large in size	large in amount or extent or degree
	(of hair) neat and tidy

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