It is Monday-Not-So-Funday, I had a great weekend, hope you did as well! I’m tired. Also… a bit irritated. I’m reading emails, trying to catch up with a co-chaired project with parents and educators.

Simple Grammatical Rule:

principle: from Latin principium ‘source, foundation’
principal: from Latin principalis ‘first, chief’

If you did not take Latin in college, here’s a more contemporary way to consider. Taken from the good ‘ol Marion Webster.

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USAGE: Is it principal or principle ?
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Principal means 'most important' or 'person in charge':
My principal reason for coming tonight; the high school principal.
It also means 'a capital sum':
The principal would be repaid in five years. 

Principle means 'rule, basis for conduct':
Her principles kept her from stealing despite her poverty.

Not loving definition recognition? Here’s the easy peasy. And I love the easy peasy. Simple Grammatical Rule