lemoto - argumentative. Please read the original question - Why won't "Ykspetaja" replace with "Ykspetäjä"? In other words, why does the auto-replace in Spell Checker work for some words and not others.
Any solution which doesn't answer that point is helpful and welcome but doesn't resolve the problem - how do I get the Spell Checker to auto-replace "Ykspetaja" with "Ykspetäjä"? In that sense, christian_h's solutions are workarounds. He even calls them workarounds. I could also set up special keys, as he suggested. I could use a Finnish keyboard. I could use ASCII code. I could copy/paste the names from a name list... but I want to use auto-replace in Spell Checker because replacing text is what it's supposed to do.
christian_h - thank you for your comments but as outlined, I'm looking for help with getting Spell Checker to work as it's supposed to! But wow, what an article by Barry! Thanks for the link.