weaning vs commutation

weaning and commutation both are nouns.

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

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

weaning: the act of substituting other food for the mother's milk in the diet of a child or young mammal
commutation: the act of putting one thing or person in the place of another:

Other hypernyms of weaning include exchange, substitution.

weaning (noun)	commutation (noun)
the act of substituting other food for the mother's milk in the diet of a child or young mammal	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