looseness vs unrestraint

looseness and unrestraint both are nouns.

Word	Noun	Adjective	Verb	Adverb
looseness	Yes	No	No	No
unrestraint	Yes	No	No	No

As nouns, unrestraint is a hypernym of looseness; that is, unrestraint is a word with a broader meaning than looseness:

looseness (noun)	unrestraint (noun)
dissolute indulgence in sensual pleasure	the quality of lacking restraint
movement or space for movement
a lack of strict accuracy; laxity of practice
freedom from restraint
the quality of movability by virtue of being free from attachment or other restraints
frequent and watery bowel movements; can be a symptom of infection or food poisoning or colitis or a gastrointestinal tumor