euthanatise vs euthanize

euthanatise and euthanize both are verbs.

Word	Noun	Adjective	Verb	Adverb
euthanatise	No	No	Yes	No
euthanize	No	No	Yes	No

As verbs, euthanatise and euthanize are synonyms defined as:

euthanatise and euthanize: intentionally cause the painless death of a person or animal

Other synonyms of euthanatise include euthanatize, euthanise, mercy kill.

euthanatise (verb)	euthanize (verb)
intentionally cause the painless death of a person or animal	intentionally cause the painless death of a person or animal