English words appear similar but carry different meanings depending on Girlie or Girly. Choosing the wrong word can completely change the meaning of a sentence. GrammarAxis dedicates significant attention to word usage because vocabulary accuracy is just as important as grammar. Readers learn the differences between commonly confused word pairs such as affect and effect, accept and except, advice and advise, farther and further, then and than, fewer and less, who and whom, compliment and complement, its and it's, your and you're, their, there, and they're.