unbound vs untethered

unbound and untethered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unbound	No	Yes	No	No
untethered	No	Yes	No	No

unbound (adjective)	untethered (adjective)
not restrained or tied down by bonds	not confined or restricted with a tether
not secured within a cover
not held in chemical or physical combination