Quiz: Commonly confused words on: March 31, 2017, 04:18:03 pm #1 The Oxford English Dictionary's Website has a quiz about commonly confused words: Oxford Languages | The Home of Language Data Explore Oxford Languages, the home of world-renowned language data. blog.oxforddictionaries.com Logged MS Speaks--online for 20 yearsSPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010. Glatopa (glatiramer acetate 40mg 3 times/week) 12/16/20 - 3/16/24.