According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 120 words with the pattern -----OR. That is, seven letter words with 6th letter O and 7th letter R. In alphabetical order, they are:
abactor
abettor
ablator
adaptor
adjuror
advisor
aerator
agistor
alastor
alienor
anaphor
assuror
athanor
auditor
aviator
belabor
bicolor
biophor
camphor
chaddor
chantor
chikhor
citator
clangor
coactor
creator
curator
debitor
decolor
delator
devisor
dilator
dilutor
divisor
donator
eductor
ejector
elector
emperor
emulsor
enactor
equator
erector
evertor
evictor
exactor
excitor
feoffor
functor
genitor
grantor
gyrator
heritor
humidor
ignitor
impedor
incisor
isochor
janitor
languor
laxator
legator
levator
locator
machzor
malodor
maormor
markhor
matador
mirador
monitor
mormaor
negator
nonpoor
obligor
offeror
outdoor
pandoor
parador
paritor
picador
pledgor
plessor
praetor
pressor
proctor
questor
quittor
reactor
realtor
recolor
relator
revisor
revivor
rotator
santoor
scissor
senator
septuor
settlor
sextuor
signior
similor
sponsor
squalor
stentor
stertor
stridor
tandoor
temblor
tractor
traitor
trustor
twistor
unvisor
vavasor
venator
visitor
warrior
zelator
Obliteration, obsolescence, obstetrician, occasionally, occupational, oratorically, orchestrated and overachiever are 12 letter words. They begin with the letter o.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern ---EOR-. That is, seven letter words with 4th letter E and 5th letter O and 6th letter R. In alphabetical order, they are:
meteors
Merriam-Webster's Official Scrabble Players Dictionary includes the 6 letter word ogress. It means a female ogre. The dictionary also includes the 6 letter word onrush.
officeholder
olfactometer
orchestrater
orchestrator
overachiever
overengineer
overfamiliar
Odor
Spongebob and Spongebob and Spongebob and Spongebob and Spongebob and last but the squarest Spongebob
receiver
visitor
List of 9 letter words that start with the letter "K"KnowledgeKnighting
abridgedaccentedacquiredaddictedadorableaffectedalacrityamateursanointedansweredapproachapprisedappealedarrivingassumingattitudeautomateavailingavoiding
#
DropDoorDoleDoteDeepDeerDopeDampDankDoneDuneDentdeskDarkDirtDeed
wantwarpwagewaitwadewarmwarnwashwearwhenwhatwhamwhimwaveweekweakweldweepweltwartweedweanwithwinewirewidewiskwishwoolwoodwormwolfwalkwestwaspwiltwake
# Entity
nailnestnapenamenecknewsnerdnewtneonnextneatnearneednicenicknopenounnooknoonnormnosenodenoshnotenullnumbnuts
drain
obese omaha
Kangaroo
=chicago ==cameo=
Six letter words that start with the letter t:talenttargettaughtteapotthighsthirstthreatthriftthroatthrustthwarttickettidbittoilettomcattryouttypisttyrant