... guest the meaning of a word Could you guest the sign of a new word? Yes, Of couse. This is 20 prefix and 14 root-word helping you improve your vocabulary.You can guest the meaning of 14.000 ... examine)].uncomplicated: un-, com-,và plicare [Có 11 biến dạng sau: plic, plicat, plicit, pli, ply, plex, ple,pleat, play, ploy, và plicity (Latin: layer, involved]nonextended: non-, ex-,và tendere ... 14.000 words , which is in the dictiônary for sutdents, and 100000 words in the big dictionary.( following to James Ị Brown , Minesota, Programmed Vocabulary, Meredith buplish , NewYork 1971)....