systemiser vs organiser

systemiser and organiser both are nouns.

Word	Noun	Adjective	Verb	Adverb
systemiser	Yes	No	No	No
organiser	Yes	No	No	No

As nouns, organiser is a hypernym of systemiser; that is, organiser is a word with a broader meaning than systemiser:

Other hypernyms of systemiser include arranger, organizer.

systemiser (noun)	organiser (noun)
an organizer who puts things in order	a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.
	a person who brings order and organization to an enterprise
	someone who enlists workers to join a union