retrial vs retry

retrial is a noun but retry is not a noun.

Word	Noun	Adjective	Verb	Adverb
retrial	Yes	No	No	No
retry	No	No	Yes	No

retrial (noun)	retry (noun)
a new trial in which issues already litigated and to which the court has already rendered a verdict or decision are reexamined by the same court; occurs when the initial trial is found to have been improper or unfair due to procedural errors

retrial (verb)	retry (verb)
	hear or try a court case anew