unloosen vs bail out

unloosen and bail out both are verbs.

Word	Noun	Adjective	Verb	Adverb
unloosen	No	No	Yes	No
bail out	No	No	Yes	No

As verbs, bail out is a hyponym of unloosen; that is, bail out is a word with a more specific, narrower meaning than unloosen:

Other hyponyms of unloosen include unspell, unchain, bail, run, parole.

unloosen (verb)	bail out (verb)
loosen the ties of	remove (water) from a boat by dipping and throwing over the side
grant freedom to; free from confinement	free on bail