Prefix(字首) --- (1)

* uni -- one, 表「單一的； 一致的」
uni + form = uniform
uni + it = unit
uni + vers = universe → university
uni + corn = unicorn
uni + cycle = unicycle
uni + on = union
uni + que = unique
uni + anim = unianimous
uni + lateral

*bi -- two, 表「兩個」
bi + weekly = biweekly
bi + monthly = bimonthly
bi + yearly = biyearly
bi + cycle = bicycle
bi + lingual = bilingual
bi + cephal = biceps
bi + annual = biannual
bi + plane = biplane
bi + million = billion
bi + sexual = bisexual
bi + centennial = bicentennial
bi + lateral = bilateral

*tri -- three, 表「三」
tri + color = tricolor
tri + cycle = tricycle
tri + ply = tryple
tri + angle = triangle
tri + monthly = trimonthly
tri + yearly = triyearly
million - billion - trillion
tri + pod = tripod
tri + athlon = triathlon

*oct -- eight, 表「八」
oct + gon = octagon
oct + pus = octopus
oct + vo = octavo
oct + (g)ena + rian = octgenarian

*deca -- ten, 表「十」

*hyper -- over, beyond, 表「在上面；超越...之上」、(a)表示「過度亢奮的」。
hyper + sensitive = hypersensitive
hyper + tension = hypertension