From “affect” and “effect,” where one has an A and one an E, to “let’s” and “lets,” where that little apostrophe makes a big difference, English is filled with pairs of similar words you’re probably ...

“Rebel With a Clause” celebrates the improbable cross-country journey of a woman who gently imparts grammar rules to strangers. Ellen Jovin, wearing a “Grammar Is Groovy” T-shirt, is the star of ...