enigmatic puzzle - Listen to Yourself

_{Part of the Fortnightly Topic Challenge #35: Restricted Title 1}

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What you'll have when you're finished is what you'll say once you're finished.

Answer

ABE IGNORE OUIJA NICE MAIDEN LIT

A big Norwegian ice-made inlet = FJORD

SUMMARY BOXER ACE SIX FOUR WRECKS AMPLE

Some Reeboks or ASICS, for example = SHOES (credit to noedne)

MISSED TERM US STIRRED INCLUDE DOUGH

Mister Mustard in Cluedo = COLONEL

WAIT TROUPER REGIONS ACE MAUL

Way true Parisians say small = PETIT

THOUGH CINCH URCHIN ACING INGREW PAR

Those in church in a singing group are... = CHOIR

DUPE PRESS INTENSE

Do present tense = DOES (credit to noedne)

JOELITCHOE

J + OE + L + IT + CH + OE are each pronounced abnormally in the above words, as {y}+{oo}+{r}+{ee}+{k}+{uh}. (Not proper IPA, but should give the idea.)
Pronouncing them the same way in order here gives the final answer: we say EUREKA