purposeless vs rudderless

purposeless and rudderless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
purposeless	No	Yes	No	No
rudderless	No	Yes	No	No

purposeless (adjective)	rudderless (adjective)
not evidencing any purpose or goal	aimlessly drifting
serving no useful purpose; having no excuse for being