41.ever-:more and more,always.
42.ex-:out,outward;beyond;former.
43.extra-:beyond.
44.for-:away from.
45.fore-:before.
46.forth-:towards.
47.geo- :relating to earth .
48.hecto-:hundred.
49.hemi-:half.
50.hetero-:other,different.
51.hexa-:six.
52.homo-:same.
53.hyper-:above,beyond.
54.hypo-:under.
55.hydr(o)-:relating to water or hydrogen.
56.in-:into;negative,not,without.
57. infr(a)-:under,after.
58. inter-:between,among.(enter-,intel-)
59. intr-:within,inward.
60. iso-:equal,same.
61. kilo-:thousand.
62. macro-:large,long.
63. mal(e)-:badly,ill.
64.matr(i)-:relating to woman.
65. mega-:large,strong,million.
66. meta-:above;behind;of change.
67. micro-:small.
68.mid- :middle .
69. milli-:thousand,thousandth.
70.mini-:small.
71. mis-:wrong(ly),bad(ly),ill.
72.mono-:single,sole,alone.
73.mult(i)-:many,much.
74.ne-:negative,not,without.
75.neo-:new.
76.non-:not.
77.ob-:against;towards;intensive.
78.octa-:eight,eighth.(octo-)
79.omni-:all.