Anonymised vs Anonymized - What's the difference?

As verbs the difference between anonymised and anonymized

is that anonymised is past tense of anonymise while anonymized is past tense of anonymize.

(head)

(anonymise)

* anonymize (North American and Oxford British spelling)

(en-verb) (non-Oxford British spelling)

To render anonymous; especially to remove data that would establish the identity of a person.

(head)

(anonymize)

* anonymise (UK)

(en-verb)

To render anonymous; especially to remove data that would establish the identity of a person