photosensitise vs photosensitize

photosensitise and photosensitize both are verbs.

Word	Noun	Adjective	Verb	Adverb
photosensitise	No	No	Yes	No
photosensitize	No	No	Yes	No

As verbs, photosensitise and photosensitize are synonyms defined as:

photosensitise and photosensitize: make (an organism or substance) sensitive to the influence of radiant energy and especially light

photosensitise (verb)	photosensitize (verb)
make (an organism or substance) sensitive to the influence of radiant energy and especially light	make (an organism or substance) sensitive to the influence of radiant energy and especially light