subrogation vs commutation

subrogation and commutation both are nouns.

Word	Noun	Adjective	Verb	Adverb
subrogation	Yes	No	No	No
commutation	Yes	No	No	No

As nouns, commutation is a hypernym of subrogation; that is, commutation is a word with a broader meaning than subrogation:

subrogation: (law) the act of substituting of one creditor for another
commutation: the act of putting one thing or person in the place of another:

Other hypernyms of subrogation include exchange, substitution.

subrogation (noun)	commutation (noun)
(law) the act of substituting of one creditor for another	the travel of a commuter
	(law) the reduction in severity of a punishment imposed by law
	the act of putting one thing or person in the place of another:
	a warrant substituting a lesser punishment for a greater one