outturn vs turnout

outturn and turnout both are nouns.

Word	Noun	Adjective	Verb	Adverb
outturn	Yes	No	No	No
turnout	Yes	No	No	No

As nouns, outturn and turnout are synonyms defined as:

Other synonyms of outturn include output.

outturn (noun)	turnout (noun)
what is produced in a given time period	attendance for a particular event or purpose (as to vote in an election)
	(ballet) the outward rotation of a dancer's leg from the hip
	what is produced in a given time period
	a part of a road that has been widened to allow cars to pass or park
	a set of clothing (with accessories)
	a short stretch of railroad track used to store rolling stock or enable trains on the same line to pass
	the group that gathers together for a particular occasion