oxygenise vs oxygenate

oxygenise and oxygenate both are verbs.

Word	Noun	Adjective	Verb	Adverb
oxygenise	No	No	Yes	No
oxygenate	No	No	Yes	No

As verbs, oxygenise and oxygenate are synonyms defined as:

Other synonyms of oxygenise include aerate, oxygenize.

oxygenise (verb)	oxygenate (verb)
impregnate, combine, or supply with oxygen	impregnate, combine, or supply with oxygen
dehydrogenate with oxygen
change (a compound) by increasing the proportion of the electronegative part; or change (an element or ion) from a lower to a higher positive valence: remove one or more electrons from (an atom, ion, or molecule)