pos = put 放置
pose, position, expose, exposure, compose, composition, propose, proposal, oppose,
opposition, impose, dispose, disposal, preposition
tract = draw 拉,抽,引
tractor, attract, attraction, attractive, distract, subtract, contract, abstract, drag, draw, straight, straighten, stretch
sec, sequ = follow 跟随
second, secondary, sequence, subsequent, consequence, consequently
vid, vis, vey, vy = see 看
visible, vision, visibility, invisible, visual, video, videophone, revise, revision, supervise, supervision, evident, evidence, visit
spect=look 看
spectator, spectacle, spectacular, prospect, inspect, inspection, expect, expectation, respect, respectable, respectful, respective, respected, suspect, suspicion, specific, despite
mob, mov, mot = move动
mobile, mobility, mobilize, automobile, motion, motive, motivate, motivation, motor, move, promote, promotion, emote, remote
ced, ceed, cess , gress = go, walk 行走
precede, proceed, procedure, process, exceed, excess, excessive, succeed, success, successful, succession, successive, successor, access, accessible, progress, congress, regress, aggressive