III
The following nouns end in -er.
abetter
abstracter
accepter
adapter
adviser
affirmer
aider
almoner
annoyer
arbiter
assenter
asserter
bailer
caster
censer (vessel)
concocter
condenser
conferrer
conjurer
consulter
continuer
contradicter
contriver
convener
conveyer
corrupter
covenanter
debater
defender
deliberater
deserter
desolater
deviser
discontinuer
disturber
entreater
exalter
exasperater
exciter
executer (except in law)
expecter
frequenter
granter
idolater
imposer
impugner
incenser
inflicter
insulter
interceder
interpreter
interrupter
inviter
jailer
lamenter
mortgager (except in law)
obliger
obstructer
obtruder
perfecter
perjurer
preventer
probationer
propeller
protester
recognizer
regrater
relater
respecter
sailer (ship)
sorcerer
suggester
supplanter
upholder
vender
The following nouns end in -or.
abbreviator
abductor
abettor (law)
abominator
abrogator
accelerator
acceptor
accommodator
accumulator
actor
adjudicator
adjutor
administrator
admonitor
adulator
adulterator
aggregator
aggressor
agitator
amalgamator
animator
annotator
antecessor
apparitor
appreciator
arbitrator
assassinator
assessor
benefactor
bettor
calculator
calumniator
captor
castor (oil)
censor
coadjutor
collector
competitor
compositor
conductor
confessor
conqueror
conservator
consignor
conspirator
constrictor
constructor
contaminator
contemplator
continuator
contractor
contributor
corrector
councillor
counsellor
covenantor (law)
creator
creditor
cultivator
cunctator
debtor
decorator
delator (law)
denominator
denunciator
depredator
depressor
deteriorator
detractor
dictator
dilator
director
dissector
disseizor
disseminator
distributor
divisor
dominator
donor
effector
elector
elevator
elucidator
emulator
enactor
equivocator
escheator
estimator
exactor
excavator
exceptor
executor (law)
exhibitor
explorator
expositor
expostulator
extensor
extirpator
extractor
fabricator
factor
flexor
fornicator
fumigator
generator
gladiator
governor
grantor (law)
habitator
imitator
impostor
impropriator
inaugurator
inceptor
incisor
inheritor
initiator
innovator
insinuator
institutor
instructor
interlocutor
interpolator
interrogator
inventor
investor
juror
lector
legator
legislator
lessor
mediator
modulator
monitor
mortgagor (law)
multiplicator
narrator
navigator
negotiator
nonjuror
numerator
objector
obligor (law)
observator
operator
originator
pacificator
participator
peculator
percolator
perforator
perpetrator
persecutor
perturbator
possessor
preceptor
precursor
predecessor
predictor
prevaricator
procrastinator
procreator
procurator
professor
progenitor
projector
prolocutor
promulgator
propagator
propitiator
proprietor
prosecutor
protector
protractor
purveyor
recognizor (law)
recriminator
reflector
regenerator
regulator
relator (law)
rotator
sacrificator
sailor (seaman)
scrutator
sculptor
sectator
selector
senator
separator
sequestrator
servitor
solicitor
spectator
spoliator
sponsor
successor
suitor
supervisor
suppressor
surveyor
survivor
testator
tormentor
traitor
transgressor
translator
valuator
vendor (law)
venerator
ventilator
vindicator
violator
visitor