unitisation vs conversion

unitisation and conversion both are nouns.

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

As nouns, conversion is a hypernym of unitisation; that is, conversion is a word with a broader meaning than unitisation:

unitisation (noun)	conversion (noun)
conversion of an investment trust into a unit investment trust	the act of changing from one use or function or purpose to another
the joint development of a petroleum resource that straddles territory controlled by different companies	a spiritual enlightenment causing a person to lead a new life
the act of packaging cargo into unit loads	a successful free throw or try for point after a touchdown
(psychology) the configuration of smaller units of information into large coordinated units	act of exchanging one type of money or security for another
	a change in the units or form of an expression:
	interchange of subject and predicate of a proposition
	an event that results in a transformation
	a change of religion
	(psychiatry) a defense mechanism represses emotional conflicts which are then converted into physical symptoms that have no organic basis