There are thousands. Here are some A's:
abandoner
abaser
abater
abator
abattoir
abbr
abbreviator
abdicator
abductor
abetter
abettor
abhor
abhorrer
abider
abjurer
abler
abnegator
abner
abolisher
abominator
aborter
abrader
abridger
abrogator
absconder
absenter
absolver
absolvitor
absorber
abstainer
abstracter
abstractor
abuser
abutter
acceder
accelerator
accelerometer
accentor
accentuator
accepter
acceptor
accessor
accipiter
acclaimer
acclimatizer
accommodator
accompanier
accomplisher
accorder
accoucheur
accounter
accouter
accumulator
accuser
achier
achiever
acicular
acidifier
acknowledger
acquitter
actinometer
activator
actor
actuator
acuter
adapter
adaptometer
adaptor
adder
addresser
addressor
adductor
adherer
adjudger
adjudicator
adjurer
adjuror
adjuster
adjustor
adler
administer
administrator
admirer
admitter
admonisher
admonitor
adopter
adorer
adorner
adulator
adulterator
adulterer
advancer
adventurer
advertiser
advertizer
adviser
advisor
advocator
aerator
aerobacter
aerometer
afar
affair
affecter
affector
affirmer
aflutter
africander
after
afterburner
afterdinner
agar
aggrandizer
aggregator
aggressor
agitator
aglitter
aider
aimer
air
airfreighter
airier
airliner
airworthier
ajar
alabaster
alar
alcazar
alcoholometer
alder
alerter
Alexander
alger
alienator
alienor
alistair
aliter
allayer
allegator
alleger
alleviater
alleviator
alligator
allocator
allocatur
allotter
allurer
almoner
alphabetizer
altair
altar
alter
alterer
alternator
altimeter
altogether
alveolar
alzheimer
amalgamator
amasser
amateur
character star
spider for
stopper never
super wear
collar door
sheer.
Words that start with R and end with R:racerradarradiatorrafterrancherrancorratherrazorreaderreaperreappearrearreceiverrecorderrecoverregisterregularregulatorreindeerrelieverremainderrememberreminderremoverrenterreoccurrepairreporterresistorresponderretailerretainerretrieverrevolverriderrigorringerriserriverroarrobberrockerrollerrooferroosterrosterrubberrulerrumorrunner
Words that start with R and end with N are:raccoonrainradonranrationravenreasonrecessionreckonreflectionrefrainrefrigerationreinremainreunionribbonriboflavinripenroanrobinRomanrottenruffianruinrun
There are no words in the English language that begin with r and end with yt.
Some six letter words that start with W and end with R are:waiterwaiverwalkerwanderwasherweaverwelderwelterwickerwinnerwinterwitherwooferwriter
Fair, fear and four are 4 letter words. They begin with f and end with r.
Words that start with R and end with R:racerradarradiatorrafterrancherrancorratherrazorreaderreaperreappearrearreceiverrecorderrecoverregisterregularregulatorreindeerrelieverremainderrememberreminderremoverrenterreoccurrepairreporterresistorresponderretailerretainerretrieverrevolverriderrigorringerriserriverroarrobberrockerrollerrooferroosterrosterrubberrulerrumorrunner
Words that start with G and end in R are:gamblergangstergardenergeargendergeneratorghostwritergingerglacierglaziergliderglimmergoitergold-diggergolfergoobergoofiergophergossamergrandeurgranulargrasshoppergrazerguitargutter
Words that start with R and end with N are:raccoonrainradonranrationravenreasonrecessionreckonreflectionrefrainrefrigerationreinremainreunionribbonriboflavinripenroanrobinRomanrottenruffianruinrun
Some words that start with R and end with W are:rainbowrawrenewreviewrickshawrow
There are no words in the English language that begin with r and end with yt.
Some six letter words that start with W and end with R are:waiterwaiverwalkerwanderwasherweaverwelderwelterwickerwinnerwinterwitherwooferwriter
There are quite a few words that start with an A and end with an R. Some examples of these words are, another, admirer, amateur, and aviator.
real ones
armoramberbikerboxercatercolorcoverdinerdiverelderfavorflourgiverhikerhumorinnerjokerlaborlemurlaserloserliterleverloverlivermajormakermayormanormotorminormoverneverownerolderpokerpowerrazorriverrumorsaversavorseversobertatertowertakertruertumorwaterwiper
Rain and rein are four letter words that begin with r and end with n. Additional words include roan and ruin.
rabbit
Zipper