Countable Nouns Ending in S and Containing RO

This list gathers 515 English countable nouns ending in S and containing RO, such as Process, Cross, Progress, Troops, Grounds, Gross and Roots. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

Refine list...
JUMP:
Sort:

Group:

Case:

View:

JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with A
24 words
albatross
acropolis
animatronics
andronicus
aurochs
autocross
aponeurosis
arthrodesis
aerobus
aerotropolis
amaurosis
andrographis
arthrosis
anthropophagus
androgenesis
anthropomorphosis
arrowgrass
anthroponosis
amphiarthrosis
aerographics
aepyceros
arteriolosclerosis
andronitis
apostrophus
Starts with B
24 words
baroness
brontosaurus
bronchus
brownshirts
bromegrass
bronchiectasis
bavarois
boardercross
broyges
baronetess
backcross
broigus
blepharoconjunctivitis
bothrops
bromus
broiges
brosmius
brokeress
bothros
baudrons
buceros
bronchostenosis
brontops
beechdrops
Starts with C
24 words
cross
coronavirus
crossroads
cherokees
crisscross
crosshairs
crocus
corduroys
crossbones
cyclocross
croesus
crossways
charolais
croquis
cirrostratus
crocodylus
chondromatosis
chemoprophylaxis
crotalus
crotales
cirrocumulus
chromis
coronis
carolus
Starts with D
20 words
droppings
dropsies
diospyros
dromos
diarthrosis
dendroctonus
diceros
dipteros
dorotheanthus
dogrobbers
dendrolagus
derodidymus
dermatoneurosis
dendrodus
dendrophis
dialeurodes
dendrocolaptes
dentirostres
diabrosis
dermoneurosis
Starts with E
24 words
environs
eardrops
electrophoresis
enterococcus
enterovirus
enterocolitis
embroideress
electrosynthesis
erythrocytosis
electrobus
electrophorus
empyrosis
erotesis
enarthrosis
enteroclysis
electroanalysis
electroosmosis
eleutherococcus
electrodiagnosis
enterobius
eoanthropus
epeirogenesis
epistropheus
enchondrosis
Starts with F
6 words
faeroes
frons
frontolysis
ferroglass
ferocactus
fibropericarditis
Starts with G
17 words
grounds
gross
gastroenteritis
groats
grossness
groundworks
gastrocnemius
greengroceries
gyrocompass
gros
groundmass
gastroanastomosis
gastroduodenitis
gastroenterocolitis
gastroenteroanastomosis
gastrocoloptosis
gerontomorphosis
Starts with H
22 words
heroics
hieroglyphics
hydrolysis
hemochromatosis
hydrops
hadrosaurus
hemerocallis
hydronephrosis
hyperostosis
heterotaxis
hydrogenolysis
hesperornis
heterokaryosis
heterolysis
hydrarthrosis
heteromeles
hydrosaurus
hydropathics
hesperornithes
hydropericarditis
hydropneumatosis
hydrocholecystis
Starts with I
9 words
irons
ironworks
ironsides
improperness
introitus
immunoelectrophoresis
incross
intercross
iridochoroiditis
Starts with K
3 words
kouros
kantharos
kaross
Starts with M
24 words
metropolis
motocross
microbusiness
microbus
maduros
micronucleus
microvillus
marrowbones
microcosmos
microanalysis
monoceros
metanephros
micrococcus
macronucleus
metrosideros
microspecies
matross
megaloceros
micropolis
mesonephros
microfungus
monopteros
megasporogenesis
microsporogenesis
Starts with N
15 words
narrows
neurosis
necrosis
norovirus
necropolis
nephrosis
neurotherapeutics
neurolysis
neurohypophysis
nearthrosis
nephroptosis
nephrolepis
nephroangiosclerosis
nephrocoloptosis
neurochorioretinitis
Starts with O
11 words
ouroboros
osteonecrosis
overtrousers
osteoarthrosis
osteopetrosis
outcross
orogenesis
occipitofrontalis
orthros
oneirocritics
orthrosanthus
Starts with P
24 words
process
progress
proceedings
proceeds
provisions
prognosis
props
prosthetics
prospectus
prosthesis
prophetess
prophylaxis
proboscis
pyrotechnics
proteus
pyrolysis
paratroops
patroness
proprietress
prostatitis
propers
prolepsis
proteolysis
prognostics
Starts with R
16 words
roots
romans
roughness
rhinoceros
roadworks
rooibos
rounders
retrovirus
rotavirus
rallycross
rollmops
roundheels
rockcress
rosmarinus
ropeworks
rotgrass
Starts with S
24 words
sclerosis
subtropics
subprocess
supercross
snowboardcross
synchondrosis
saros
semitropics
strobilus
synarthrosis
saccharomyces
serodiagnosis
sorosis
spirochetosis
strombus
sinanthropus
strongylosis
schizosaccharomyces
sparrowgrass
saurornithes
strossers
sacrospinalis
strobilanthes
strophanthus
Starts with T
24 words
troops
trousers
tropics
throes
trots
thrombosis
trois
thrombolysis
trolleybus
thrombus
thyroiditis
thyrotoxicosis
thrombophlebitis
tropheus
tracheobronchitis
trochus
testcross
trochilus
trollius
topcross
trichostrongylus
tropotaxis
thromboarteritis
trophoneurosis
Starts with U
5 words
urolithiasis
urosis
ureterostegnosis
ureteropyelonephritis
ureterocystanastomosis
Starts with V
2 words
virosis
visceroptosis
Starts with Z
5 words
zinjanthropus
zygosaccharomyces
zosterops
zoophorous
zorotypus

•Browse Countable Nouns by Letter (A to Z)

Select an ending letter to browse countable nouns
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.