rambling vs sprawling

rambling is not a noun while sprawling is a noun.

Word	Noun	Adjective	Verb	Adverb
rambling	No	Yes	No	No
sprawling	Yes	Yes	No	No

As adjectives, rambling and sprawling are synonyms defined as:

rambling and sprawling: spreading out in different directions or distributed irregularly

Other synonyms of rambling include straggling, straggly.

rambling (noun)	sprawling (noun)
	an ungainly posture with arms and legs spread about

rambling (adjective)	sprawling (adjective)
of a path e.g.	spreading out in different directions or distributed irregularly
(of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects
spreading out in different directions or distributed irregularly