-ly: chronologically, forebodingly
-ment: ailment, fragment, movement
-ness: correctness, helpfulness, wellness
-ologist: anthropologist, entomologist
-or: doctor, governor, orator, rector
drome: hippodrome, syndrome, velodrome
duct: abduct, aqueduct, conduction
dura: duration, endure, epidural
dyn(a): dynamic, dynamo, dynasty
eco(s): ecology, economy, ecosystem
ultra-: ultraliberal, ultrasonic, ultraviolet
un-: uncharted, unexamined, unwashed, unworthy
under-: underrated, underrepresented, understated
uni-: unicorn, unilateral, unicycle, unite
up-: uphold, upscale, upstairs, upsurge