undo vs unbolt

undo and unbolt both are verbs.

Word	Noun	Adjective	Verb	Adverb
undo	No	No	Yes	No
unbolt	No	No	Yes	No

undo (verb)	unbolt (verb)
cancel, annul, or reverse an action or its effect	undo the bolt of
cause to become loose
remove the outer cover or wrapping of
deprive of certain characteristics
cause the ruin or downfall of