Many words in English have multiple spellings. In some cases, however, a deviation is an error, and nothing else. Children learning English in school are exposed to formal grammar lessons at an early age, and they learn the language’s complexities as they progress through the educational system. Yet, many writers are unsure of the correct spelling of the word grammar. This uncertainty leads to embarrassing mistakes. To be fair, however, Grammer is also a word used in English that does have appropriate usage cases. None of them have anything to do with grammar, though. Read on to find out whether you should be using grammar or Grammer in your writing. What is the Difference Between Grammar and Grammer? In this article, I will compare the words grammar vs. Grammer. I will use each in a sentence, and I will show you a helpful trick to use when you can’t decide whether you mean Grammer or grammar.