canalisation vs channelization

canalisation and channelization both are nouns.

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

As nouns, canalisation and channelization are synonyms defined as:

canalisation and channelization: management through specified channels of communication

Other synonyms of canalisation include canalization, channelisation.

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