Buzz·Posted on Feb 7, 2018Can You Go 7 For 7 On This Word Quiz?Can you guess which letter has been added?by Nathan W. PyleBuzzFeed StaffLinkFacebookPinterestTwitterMailBuzzFeed Quiz Party! Take this quiz with friends in real time and compare resultsCheck it out! For each question below, you must look at the two photos and guess which letter has been added. For instance, TACK-> TRACK.