electroencephalographer :)))))))))))

a few more:))))))))))) actinometer
afterburner
aggrandizer
airworthier
alkalimeter
allegorizer
antechamber
antitruster
azotobacter
backbencher
backbreaker
backscatter
backslapper
backstabber
ballcarrier
barnstormer
beachcomber
beautifuler
benchwarmer
bibliolater
bioengineer
birdwatcher
blackbirder
blackhander
blacklister
blackmailer
blockbuster
bloodsucker
boatbuilder
bodybuilder
boilermaker
boondoggler
bowdlerizer
brainteaser
brainwasher
breadwinner
breakfaster
broadcaster
broomballer
bullfighter
bullterrier
burgomaster
bushwhacker
butterflyer
buttonholer
calorimeter
candlepower
carburetter
cardsharper
cartwheeler
catercorner
cauliflower
centralizer
chansonnier
chanticleer
charbroiler
cheerfuller
cheerleader
chiromancer
chocolatier
choirmaster
chronologer
chronometer
circumciser
cliffhanger
codeveloper
coffeemaker
colorimeter
compromiser
comptroller
concertgoer
conditioner
conjecturer
contravener
conveyancer
copublisher
cotoneaster
crapshooter
criticaster
crossbearer
decolorizer
deerstalker
demographer
demoralizer
denitrifier
depolarizer
descrambler
dilatometer
disapprover
disbeliever
discipliner
discourager
disencumber
disremember
ditchdigger
diversifier
drillmaster
dumbfounder
dynamometer
earthshaker
electioneer
embellisher
embroiderer
enterpriser
entertainer
establisher
executioner
extortioner
faultfinder
firecracker
firefighter
flimflammer
floorwalker
fluorimeter
fluorometer
foolhardier
footdragger
footslogger
foraminifer
forechecker
forequarter
forestaller
fourdrinier
frankfurter
fraternizer
freethinker
freewheeler
frontrunner
fruitfuller
gallbladder
gallerygoer
gallinipper
generalizer
gerrymander
ghostwriter
gillyflower
glassblower
glassworker
globeflower
gnatcatcher
goddaughter
gormandizer
gracefuller
gradiometer
grandfather
grandmaster
grandmother
grasshopper
gratefuller
greenbacker
greengrocer
greenkeeper
greenmailer
groundwater
haberdasher
hairdresser
handicapper
handwringer
headquarter
hedgehopper
hemstitcher
hereinafter
highlighter
hindquarter
holographer
homesteader
homogenizer
homologizer
homopolymer
honeymooner
horseplayer
houseboater
housefather
householder
housekeeper
housemaster
housemother
immobilizer
implementer
indemnifier
intensifier
intercepter
intercooler
intercrater
interdealer
intermitter
interpreter
interrupter
interviewer
intromitter
journalizer
lammergeier
lammergeyer
lamplighter
leaseholder
legitimizer
liberalizer
loudspeaker
lyophilizer
masquerader
meshuggener
metalworker
microbrewer
microfilmer
microreader
mineralizer
minesweeper
minnesinger
misbeliever
misregister
misremember
missionizer
moisturizer
moneylender
monogrammer
monopolizer
moonlighter CHEERS:)))))))or should i say cheer lol kidding have fun and a great day all

cheers:))))))))) autotransformer
chromatographer
cinematographer
counterattacker
counterreformer
diastereoisomer
historiographer
malpractitioner
microphotometer

BreakER ( Rule breaker)

PropER

ButtER

safER

cutER

loudER

calendER

leadER

BeER

CheER!

BearER

BearER

TroubleshootEr

supER

ThickER

LovER

smoker
joker
midnight toker