Category: Confusing Words & Word Comparisons
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Principal vs. Principle: The School Head Is Your Pal
Principle is only ever a noun, and it means a rule. Principal does everything else — main, money, and the person in charge of the school.
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Compliment vs. Complement: Praise, or the Perfect Match?
One letter separates flattery from completion. The history of the two words — and the ‘i’ trick — makes the choice automatic.
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Their, There, They’re: One Expansion Test Settles All Three
Three words, one sound, endless errors. A single test — expand the word and see what survives — sorts every sentence you will ever write.
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Affect vs. Effect: The Difference, the RAVEN Rule, and the Two Exceptions
Ninety-five times out of a hundred, the choice is mechanical: affect is the verb, effect is the noun. Here is the rule, the memory trick that makes it permanent, and the two rare exceptions worth knowing.