turnout vs outturn

turnout and outturn both are nouns.

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

As nouns, turnout and outturn are synonyms defined as:

Other synonyms of turnout include output.

turnout (noun)	outturn (noun)
attendance for a particular event or purpose (as to vote in an election)	what is produced in a given time period
(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