maunder vs ramble

maunder is not a noun while ramble is a noun.

Word	Noun	Adjective	Verb	Adverb
maunder	No	No	Yes	No
ramble	Yes	No	Yes	No

As verbs, ramble is a hypernym of maunder; that is, ramble is a word with a broader meaning than maunder:

maunder: wander aimlessly
ramble: move about aimlessly or without any destination, often in search of food or employment

Other hypernyms of maunder include cast, drift, range, roam, roll, rove, stray, swan, tramp, vagabond, wander.

maunder (noun)	ramble (noun)
	an aimless amble on a winding course

maunder (verb)	ramble (verb)
talk indistinctly; usually in a low voice	move about aimlessly or without any destination, often in search of food or employment
speak (about unimportant matters) rapidly and incessantly	continue talking or writing in a desultory manner
wander aimlessly