channelisation vs canalisation

channelisation and canalisation both are nouns.

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

As nouns, channelisation and canalisation are synonyms defined as:

channelisation and canalisation: management through specified channels of communication

Other synonyms of channelisation include canalization, channelization.

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