否定前缀negativeprefix

post-

trans-

sub-

pre-

ex-

in-: inability, inadequacy......

postpone

transfer

submarine

precede

exit

un-: unfriendly, unimportant......

postwar

transport

submerge

preview

exceed

dis-: discomfort, discourage......

postgraduate

transplant

subconcious

predestined

exterior

non-: nonsense, non-violent......