Demonstrating mastery of words derived from the Latin roots plic, fac, and cogn, high school etymologists use a word list from MyVocabulary.com to fill in 12 sentence blanks. One of several exercises available to reinforce the use of these words, considered advanced-level lexicon. Quiz takers get immediate feedback and can email their answers to you, or anyone else. Good SAT prep and a useful sponge activity for fast finishers in the computer lab.