Microsoft's Vauge Errors

Did I mention I hate Microsoft. Hate is a strong word, I know. That’s why I use it in this situation.
Today is the first day of my Memorial weekend vacation. I drove 6 hours to arrive at my destination at 3:00AM and went directly to bed. At 7:15, I get a call from work. "The [...]

Ment-al

Why it’s it that we write "judgment" instead of "judgement" but we write "arrangement" and not "arrangment".
Erg. Sometimes the english language is so odd. To my 7th grade grade school teacher: I still insist that "judgement" makes more sense.