Từ vựng Tần suất Loại từ different 215 (adjective) used 204 (adjective) important 160 (adjective) every 95 (adjective) large 95 (adjective) available 94 (adjective) popular 81 (adjective) able 74 (adjective) basic 61 (adjective) known 60 (adjective) various 59 (adjective) difficult 58 (adjective) several 55 (adjective) united 55 (adjective) historical 52 (adjective) hot 50 (adjective) useful 49 (adjective) mental 47 (adjective) scared 45 (adjective) additional 41 (adjective) emotional 35 (adjective) old 34 (adjective) political 34 (adjective) similar 32 (adjective) healthy 30 (adjective)