canalization vs channelisation

canalization and channelisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
canalization	Yes	No	No	No
channelisation	Yes	No	No	No

As nouns, canalization and channelisation are synonyms defined as:

canalization and channelisation: management through specified channels of communication

Other synonyms of canalization include canalisation, channelization.

canalization (noun)	channelisation (noun)
the production of a canal or a conversion to canals	management through specified channels of communication
management through specified channels of communication