61. kilo-:thousand.

　　62. macro-:large,long.

　　63. mal-:badly,ill.

　　64.matr-:relating to woman.

　　65. mega-:large,strong,million.

　　66. meta-:above;behind;of change.

　　67. micro-:sm all.

　　68.mid- :middle .

　　69. milli-:thousand,thousandth.

　　70.mini-:small.

　　71. mis-:wrong,bad,ill.

　　72.mono-:single,sole,alone.

　　73.mult-:many,much.

　　74.ne-:negative,not,without.

　　75.neo-:new.

　　76.non-:not.

　　77.ob-:against;towards;intensive.

　　78.octa-:eight,eighth.

　　79.omni-:all.

　　80.out-:out,outward;beyond.