lyophilize vs lyophilise

lyophilize and lyophilise both are verbs.

Word	Noun	Adjective	Verb	Adverb
lyophilize	No	No	Yes	No
lyophilise	No	No	Yes	No

As verbs, lyophilize and lyophilise are synonyms defined as:

lyophilize and lyophilise: to dry (blood, serum, or tissue) by freezing in a high vacuum

lyophilize (verb)	lyophilise (verb)
to dry (blood, serum, or tissue) by freezing in a high vacuum	to dry (blood, serum, or tissue) by freezing in a high vacuum