There are 175 possibilities:
Arecas
Arenas
Arenes
Areola
Areole
Arepas
Aretes
Breach
Breads
Bready
Breaks
Breams
Breast
Breath
Bredes
Breech
Breeds
Breeks
Breeze
Breezy
Bregma
Brents
Breves
Brevet
Brewed
Brewer
Brewis
Creaks
Creaky
Creams
Creamy
Crease
Creasy
Create
Creche
Credal
Credit
Credos
Creeds
Creeks
Creels
Creeps
Creepy
Creese
Creesh
Cremes
Crenel
Creole
Creped
Crepes
Crepey
Crepon
Cresol
Cressy
Crests
Cresyl
Cretic
Cretin
Crewed
Crewel
Dreads
Dreams
Dreamt
Dreamy
Drears
Dreary
Drecks
Drecky
Dredge
Dreggy
Dreich
Dreidl
Dreigh
Drench
Dressy
Erects
Erenow
Freaks
Freaky
Freely
Freers
Freest
Freeze
French
Frenum
Frenzy
Freres
Fresco
Fretty
Grease
Greasy
Greats
Greave
Grebes
Greeds
Greedy
Greens
Greeny
Greets
Gregos
Greige
Gremmy
Greyed
Greyer
Greyly
Ireful
Irenic
Kreeps
Krewes
Oreads
Oreide
Preach
Preact
Preamp
Prearm
Prebid
Prebuy
Precis
Precut
Predry
Preens
Prefab
Prefer
Prefix
Prelaw
Prelim
Preman
Premed
Premen
Premie
Premix
Preops
Prepay
Preppy
Preset
Presto
Prests
Pretax
Pretor
Pretty
Prevue
Prewar
Prexes
Preyed
Preyer
Prezes
Treads
Treats
Treaty
Treble
Trebly
Treens
Trefah
Tremor
Trench
Trends
Trendy
Trepan
Trepid
Tressy
Trevet
Urease
Uredia
Uredos
Ureide
Uremia
Uremic
Ureter
Uretic
Wreaks
Wreath
Wrecks
Wrench
Wrests
Wretch
Some six letter words with the second letter R and the third letter I are:arisesbribedbridalbridgebridlebrightcringecrisiscrispycriticdrippydriveldriverfridgefriendfrightfrigidfrillyfringefriskyfrizzygrievegrillegrinchgrittyorientoriginoriolepriestprimalprimerprinceprisonprivettribaltrickytrifletripletripodtrivettriviaurinalwriterwrithe
Beetle is a 6 letter word that has 'e' as the third letter.
waking
happy
the six letter word with e as second letter and 5th is... SECRET jestermeltedbeltedtendertendedmendeddealerheaderLentensedges
saying
sybass
Some six letter words with the second letter R and the third letter I are:arisesbribedbridalbridgebridlebrightcringecrisiscrispycriticdrippydriveldriverfridgefriendfrightfrigidfrillyfringefriskyfrizzygrievegrillegrinchgrittyorientoriginoriolepriestprimalprimerprinceprisonprivettribaltrickytrifletripletripodtrivettriviaurinalwriterwrithe
bang-up
loosen, woolen, wooden
Beetle is a 6 letter word that has 'e' as the third letter.
Towels
Inact
acceptanchorbecomebucketcuckoodecideescortexcusehiccuphockey
waking
happy
exempt