unencumbered vs burdenless

unencumbered and burdenless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unencumbered	No	Yes	No	No
burdenless	No	Yes	No	No

unencumbered (adjective)	burdenless (adjective)
free of encumbrance	not encumbered with a physical burden or load
not burdened with cares or responsibilities