extrinsic fraud vs collateral fraud

extrinsic fraud and collateral fraud both are nouns.

Word	Noun	Adjective	Verb	Adverb
extrinsic fraud	Yes	No	No	No
collateral fraud	Yes	No	No	No

As nouns, extrinsic fraud and collateral fraud are synonyms defined as:

extrinsic fraud and collateral fraud: fraud that prevents a party from knowing their rights or from having a fair opportunity of presenting them at trial

extrinsic fraud (noun)	collateral fraud (noun)
fraud that prevents a party from knowing their rights or from having a fair opportunity of presenting them at trial	fraud that prevents a party from knowing their rights or from having a fair opportunity of presenting them at trial