channelization vs channelisation

channelization and channelisation both are nouns.

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

As nouns, channelization and channelisation are synonyms defined as:

channelization and channelisation: management through specified channels of communication

Other synonyms of channelization include canalisation, canalization.

channelization (noun)	channelisation (noun)
management through specified channels of communication	management through specified channels of communication