12 Letter Countable Nouns Ending in S
This list gathers 311 English 12 letter countable nouns that end with S, such as Demographics, Subconscious, Refreshments, Therapeutics, Hippopotamus, Calisthenics and Headmistress. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.
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Starts with A
24 words appendicitis
agribusiness
animatronics
ambassadress
ankylosaurus
anamorphosis
aerotropolis
avitaminosis
andrographis
anencephalus
androgenesis
anomalocaris
antibacchius
angiomatosis
antanaclasis
anophthalmos
aerographics
anigozanthos
antoninianus
astrocompass
aechmophorus
aeroneurosis
anigozanthus
antigropelos
Starts with B
12 words brontosaurus
biosynthesis
benefactress
biocatalysis
bombogenesis
basilosaurus
boardercross
bristlegrass
bothriolepis
buccellarius
brennschluss
botryopteris
Starts with C
24 words calisthenics
chitterlings
cumulonimbus
cirrostratus
cryptococcus
chieftainess
cirrocumulus
cladogenesis
commorientes
cactoblastis
cataphoresis
chimonanthus
clothespress
coccidioides
cabinetworks
catharanthus
cephalotaxus
cheirogaleus
chemokinesis
cynocephalus
colorectitis
cumulocirrus
cellulomonas
cephalanthus
Starts with D
16 words demographics
dendroctonus
dunkleosteus
dermomycosis
desmorrhexis
dermamycosis
dermamyiasis
dictyopteris
dermatonosus
diasynthesis
dentirostres
dermenchysis
diamorphosis
dermatomyces
dendrachates
deradenoncus
Starts with E
24 words encephalitis
enterococcus
epiglottitis
ethnogenesis
embroideress
echinococcus
elasmosaurus
embassadress
edaphosaurus
elephantopus
enhypostasis
eucinostomus
endarteritis
enteroclysis
epanorthosis
epistropheus
eschrichtius
echinocactus
epimorphosis
exencephalus
enchondrosis
erythrocebus
eretmochelys
enterostasis
Starts with F
7 words fiddlesticks
feathergrass
fornicatress
fasciolopsis
fimbristylis
fascinatress
fabricatress
Starts with G
1 words galligaskins
Starts with H
15 words hippopotamus
headmistress
hypothalamus
heartstrings
hermeneutics
hindquarters
hemodialysis
hemerocallis
hyperostosis
hallucinosis
hectocotylus
hymenocallis
hydropathics
heterauxesis
hardinggrass
Starts with I
9 words impoliteness
instructress
improperness
interschools
ionophoresis
interkinesis
inquisitress
interpretess
innominables
Starts with K
3 words ketoacidosis
knucklebones
karyokinesis
Starts with L
4 words leukocytosis
leatherworks
legislatress
logodaedalus
Starts with M
13 words misdiagnosis
monkeyshines
megalosaurus
micronucleus
macronucleus
metrosideros
microspecies
mythogenesis
morphallaxis
malefactress
mesenteritis
miltoniopsis
microcachrys
Starts with N
3 words nimbostratus
nephroptosis
negotiatress
Starts with O
9 words overemphasis
overanalysis
omnishambles
overtrousers
orchardgrass
opisthotonos
oncornavirus
overkindness
opisthodomos
Starts with P
24 words pathogenesis
pyrotechnics
proprietress
postmistress
phagocytosis
presocratics
pneumocystis
paracentesis
paranthropus
philadelphus
phalaenopsis
polyomavirus
pneumococcus
paraphimosis
phylogenesis
picornavirus
palingenesis
plectranthus
polyhedrosis
progenitress
pseudocyesis
philosophess
pachystachys
phycomycosis
Starts with R
5 words refreshments
rhodohypoxis
rachischisis
rhenosterbos
rhaphiolepis
Starts with S
24 words subconscious
streptomyces
sweaterdress
sardanapalus
superexpress
seismosaurus
sidewhiskers
synarthrosis
sialadenitis
superspecies
sovereigness
slickensides
scholasticus
singlesticks
sinanthropus
strongylosis
sparrowgrass
salpiglossis
saurornithes
sivapithecus
strophanthus
samaritaness
schizostylis
schindylesis
Starts with T
10 words therapeutics
thrombolysis
transgenesis
taskmistress
thiobacillus
trachycarpus
trichuriasis
thaumaturgus
trachypterus
trophobiosis
Starts with U
6 words unseemliness
unkindliness
urolithiasis
underdrawers
unutterables
unpoliteness
Starts with V
2 words voortrekkers
vindicatress
Starts with W
3 words weatherglass
whitlowgrass
workmistress
Starts with X
1 words xenorhynchus
Starts with Z
3 words zygapophysis
zephyranthes
zygolabialis