bastardized vs bastardised

bastardized and bastardised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bastardized	No	Yes	No	No
bastardised	No	Yes	No	No

As adjectives, bastardized and bastardised are synonyms defined as:

bastardized and bastardised: deriving from more than one source or style

bastardized (adjective)	bastardised (adjective)
deriving from more than one source or style	deriving from more than one source or style