-ure

-ura

ab-

a- rarely before consonants;

abs- before c and t

ad-

ac- before c

af- before f

ag- before g

al- before l

an- before n

ap- before p

as- before s

a- before sp

at- before t

bi-

(bin-; bis-)

con-

co- before h

col- before l

com- before e, m, p

cor- before r

dis-

di- before g, v, and usually before l

dif- before f

ex-

e- before certain consonants

ef- before f

extra

(rarely extro-)

in- 

il- before l

im- before b, m, p

ir- before r

(1)

in-

(2)

in-

(3)

intra-

(rarely intro-)

mult

(often multi-)

ob-

oc- before c

op- before p

per-

pel- before l

sub-

suf- before f

sup- before p