Originally Posted by yvanleterrible
Principal? That would be Dumbledore would it?
The really ironic thing here is that I recently had a ... spirited discussion at work about which of those words was which, I had to convince my manager that the main person heading up a line of research was the principal investigator, not the principle investigator.
Fortunately, I have good friends who catch my misspellings even when the spell-checker fails me.