cannulisation vs insertion

cannulisation and insertion both are nouns.

Word	Noun	Adjective	Verb	Adverb
cannulisation	Yes	No	No	No
insertion	Yes	No	No	No

As nouns, insertion is a hypernym of cannulisation; that is, insertion is a word with a broader meaning than cannulisation:

Other hypernyms of cannulisation include introduction, intromission.

cannulisation (noun)	insertion (noun)
the insertion of a cannula or tube into a hollow body organ	the act of putting one thing into another
	a message (spoken or written) that is introduced or inserted