PREFIX

• a; an


  No, not, without
• Ad


  Toward, near
• Bi


  Two; double
• De


  Down; away from
• Di


  Two; double
• Dia


  Through, between
• Dif, dis


  Apart, free from
• Dys


  Difficult
• Ecto


  Outside
• Endo


  Inside
• Epi


  Above, over
• Eu


  Good, normal
• Ex, exo


  Out, away from
• Extra


  Outside, beyond
• Hyper


  Above, excessive
• Hypo


  Below, deficient
• In


  In, into
• Mega


  Large, great
• Meta


  Beyond, over
• Para


  Beside, alongside
• Poly


  Many, excessive
• Post


  After, behind
• Pre


  Before, In front of
• Pro


  Before, In front of
• Super


  Above, beyond
• Supra


  Above, beyond