-ent, -eer, -ist, -ian
-ent, -ant
Consultant
Coolant
defendant
radiant
disinfectant
ignorant
absorbent
confident
different
accountant
-eer
engineer
photographer
lawyer
commandeer
mountaineer
rocketeer
marketeer
budgeteer
cameleer
musketeer
-ist
artist
receptionist
scientist
activist
cyclist
motorist
pianist
typist
alchemist
animist
bicyclist
-ian
barbarian
civilian
logician
comedian
electrician
librarian
politician
musician
magician
lunarian