hygienize vs hygienise

hygienize and hygienise both are verbs.

Word	Noun	Adjective	Verb	Adverb
hygienize	No	No	Yes	No
hygienise	No	No	Yes	No

As verbs, hygienize and hygienise are synonyms defined as:

Other synonyms of hygienize include sanitise, sanitize.

hygienize (verb)	hygienise (verb)
make sanitary by cleaning or sterilizing	make sanitary by cleaning or sterilizing