prosecution vs pursuance

prosecution and pursuance both are nouns.

Word	Noun	Adjective	Verb	Adverb
prosecution	Yes	No	No	No
pursuance	Yes	No	No	No

As nouns, prosecution and pursuance are synonyms defined as:

prosecution and pursuance: the continuance of something begun with a view to its completion

prosecution (noun)	pursuance (noun)
the institution and conduct of legal proceedings against a defendant for criminal behavior	the continuance of something begun with a view to its completion
the continuance of something begun with a view to its completion	a search for an alternative that meets cognitive criteria
the lawyers acting for the state to put the case against the defendant