1
Q
non
A
(not) nonprofit, nonstop, nonchalant
2
Q
post
A
(after) posthumous, postscript, postgraduate
3
Q
pre
A
(before) preschool, pretest, prediction
4
Q
semi
A
(half) semicircle, semiformal, semiannual
5
Q
sub
A
(under) submarine, subtract, submissive
