unitization vs unitisation

unitization and unitisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
unitization	Yes	No	No	No
unitisation	Yes	No	No	No

As nouns, unitization and unitisation are synonyms defined as:

unitization and unitisation: conversion of an investment trust into a unit investment trust

As nouns, unitization and unitisation are synonyms defined as:

unitization and unitisation: the joint development of a petroleum resource that straddles territory controlled by different companies

As nouns, unitization and unitisation are synonyms defined as:

As nouns, unitization and unitisation are synonyms defined as:

unitization and unitisation: (psychology) the configuration of smaller units of information into large coordinated units

Other synonyms of unitization include chunking.

unitization (noun)	unitisation (noun)
conversion of an investment trust into a unit investment trust	conversion of an investment trust into a unit investment trust
the joint development of a petroleum resource that straddles territory controlled by different companies	the joint development of a petroleum resource that straddles territory controlled by different companies
the act of packaging cargo into unit loads	the act of packaging cargo into unit loads
(psychology) the configuration of smaller units of information into large coordinated units	(psychology) the configuration of smaller units of information into large coordinated units