Words with the Letter R

Words with the Letters R can help you generate the perfect word list. Whether you're looking to make a vocabulary list, looking for the perfect rhyme, or just trying to keep your kids busy, this is the way to go. (Just make them read the whole list. It'll keep them seated.) While you’re at it, don’t forget to look at words that start with R and words that end in R, in case they're fast readers.

20 letter words6 Words
adrenocorticosteroid
buckminsterfullerene
electroencephalogram
hypercholesterolemia
magnetohydrodynamics
tetrahydrocannabinol
19 letter words22 Words
adrenocorticotropic
ballistocardiograph
counterintelligence
countertransference
deindustrialization
deoxycorticosterone
electroluminescence
extraterritoriality
immunocytochemistry
interdenominational
18 letter words25 Words
aerothermodynamics
anticholinesterase
ballistocardiogram
bioinstrumentation
chlorofluorocarbon
counterprogramming
counterreformation
diethylstilbestrol
electrocardiograph
electrodynamometer
17 letter words63 Words
angiocardiography
anthropomorphosis
australopithecine
bacteriorhodopsin
biopharmaceutical
biotransformation
carboxyhemoglobin
cardiorespiratory
characterological
chlortetracycline
16 letter words134 Words
acanthopterygian
aerometeorograph
aerotherapeutics
anthropomorphism
anthropomorphize
anthropomorphous
antihypertensive
archaeoastronomy
arteriosclerosis
astrophotography
15 letter words229 Words
agranulocytosis
alexandroupolis
androstenedione
anthropocentric
anthropogenesis
anthropomorphic
anthropophagite
anticholinergic
antiperistalsis
ariboflavinosis
14 letter words471 Words
absorptiometry
abstractionism
achondroplasia
adenocarcinoma
administration
administrative
administratrix
adrenocortical
aeroballistics
aforementioned
13 letter words884 Words
abortifacient
accelerometer
acculturation
acrylonitrile
actinomorphic
actinouranium
addressograph
admeasurement
administrator
adventuresome
12 letter words1541 Words
abbreviation
acceleration
accelerative
acciaccatura
accouterment
accusatorial
acepromazine
achlorhydria
addlebrained
administrate
11 letter words2641 Words
abecedarian
abnormality
abortionist
aboveground
abracadabra
abranchiate
abstraction
abstractive
abstriction
accelerando
10 letter words3786 Words
abbotsford
abbreviate
aberration
abhorrence
aboriginal
aborticide
aboveboard
abreaction
abridgment
absorption
9 letter words4723 Words
abernathy
abhorrent
abnormity
aborigine
abrahamic
abruption
absorbent
absorbing
absurdist
absurdity
8 letter words4662 Words
aardvark
aardwolf
abattoir
aberdeen
aberrant
abnormal
aborning
abortion
abortive
abradant
7 letter words4377 Words
aalborg
aaronic
abelard
abortus
abraham
abreast
abridge
abroach
abruzzi
abutter
6 letter words3477 Words
aargau
aarhus
abjure
aboard
abrade
abrazo
abroad
abrupt
absorb
absurd
5 letter words1993 Words
aargh
aaron
abhor
abner
abort
abram
accra
acerb
acorn
acrid
4 letter words897 Words
aare
aarp
abbr
acre
acro
adar
aeri
aero
aery
afar
3 letter words267 Words
aar
abr
adr
aer
afr
agr
air
aor
apr
ara
2 letter words44 Words
ar
br
cr
dr
er
fr
gr
hr
ir
jr