organizer vs organiser

organizer and organiser both are nouns.

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

As nouns, organizer and organiser are synonyms defined as:

organizer and organiser: 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.

Other synonyms of organizer include PDA, personal digital assistant, personal organiser, personal organizer.

As nouns, organizer and organiser are synonyms defined as:

organizer and organiser: a person who brings order and organization to an enterprise

Other synonyms of organizer include arranger.

As nouns, organizer and organiser are synonyms defined as:

Other synonyms of organizer include labor organizer.

organizer (noun)	organiser (noun)
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 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	a person who brings order and organization to an enterprise
someone who enlists workers to join a union	someone who enlists workers to join a union