Common Mistakes
"Envelop" vs. "Envelope" – How One Extra "E" Changes the Part of Speech
This common-mistakes usage guide explains the difference between “envelop” and “envelope.” Learn how the extra final “e” changes a verb into a noun,...
"Defuse" vs. "Diffuse" – Stopping a Bomb vs. Spreading an Idea
This Common Mistakes usage guide explains the difference between “defuse” and “diffuse.” Learn which verb means to neutralize danger or tension and whic...
"Staid" vs. "Stayed" – Did You Remain or Are You Serious?
This Common Mistakes usage guide explains the difference between “staid” and “stayed.” Learn which one means remaining and which describes a serious per...
"Amount" vs. "Number" – Grammar Rules for Mass and Count Nouns
This common-mistakes usage guide explains the difference between “amount” and “number.” Learn how mass nouns and count nouns work, see common errors, an...
"Me and My Friend" – Why This Common Subject Error Matters
This common-mistakes usage guide explains the difference between “me and my friend” and “my friend and I.” Learn how subject and object pronouns work, w...
Stop Using "Very" for Everything – 10 Stronger Adjectives to Use Instead
This Common Mistakes usage guide explains why relying on “very” weakens your English. Learn ten powerful adjectives that replace “very + adjective,” see...