Countable Nouns Ending in S and Containing SI

Browse 848 valid English countable nouns ending in S and containing SI, from Business, Analysis, Basis, Crisis, Emphasis, Diagnosis and Thesis to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with A
24 words
analysis
antithesis
agribusiness
apotheosis
acidosis
assizes
amniocentesis
amyloidosis
anastomosis
anamnesis
apheresis
autolysis
arabidopsis
alkalosis
amanuensis
atelectasis
apsis
apoapsis
apophysis
amebiasis
aponeurosis
arthrodesis
aspergillosis
anamorphosis
Starts with B
24 words
business
basis
biosynthesis
bursitis
biocatalysis
bombogenesis
bronchiectasis
basilosaurus
blastomycosis
bacteriolysis
burnsides
bacteriosis
biocenosis
bronchostenosis
bronchiostenosis
bronchomycosis
blepharophimosis
broncholithiasis
blepharostenosis
blepharolithiasis
botryomycosis
bronchoaspergillosis
biolysis
bacteriodiagnosis
Starts with C
24 words
crisis
classics
chassis
classifieds
catharsis
colossians
cirrhosis
cyanosis
catalysis
carcinogenesis
cassis
catechesis
cytokinesis
cholelithiasis
cryptanalysis
coreopsis
coccidiosis
chondromatosis
crasis
cysticercosis
classis
catachresis
catabasis
carcinomatosis
Starts with D
24 words
diagnosis
dialysis
diuresis
diathesis
deemphasis
dropsies
diegesis
dermatosis
diaeresis
diastasis
diaphysis
diesis
diapedesis
dermatophytosis
diarthrosis
dysgenesis
diaschisis
dermatomycosis
dermomycosis
diapophysis
deplasmolysis
diacrisis
desmosis
diorthosis
Starts with E
24 words
emphasis
ellipsis
ephesians
exegesis
electrophoresis
endocytosis
emesis
exocytosis
epistasis
ecchymosis
ethnogenesis
ekphrasis
exosmosis
epiphysis
endosymbiosis
ecdysis
ecstasis
eisegesis
electrosynthesis
entasis
epenthesis
endosmosis
erythrocytosis
exostosis
Starts with F
7 words
falsies
fissidens
frontolysis
fasciolopsis
flagellosis
fasciodesis
fissipes
Starts with G
12 words
genesis
gametogenesis
gliosis
glossitis
gomphosis
granulosis
gummosis
gliomatosis
gastroanastomosis
gastroenteroanastomosis
gastrocoloptosis
gerontomorphosis
Starts with H
24 words
hypothesis
hypnosis
hydrolysis
hysteresis
hemodialysis
hemochromatosis
hypophysis
hypostasis
hemiparesis
hydronephrosis
hyperkeratosis
hyperlordosis
hyperostosis
hypervitaminosis
helminthiasis
hallucinosis
heliopsis
homolysis
hydrogenolysis
hematolysis
heterokaryosis
heterolysis
histolysis
holophrasis
Starts with I
14 words
ironsides
iconostasis
ichthyosis
iontophoresis
immunoelectrophoresis
inexpressibles
immunodiagnosis
ionophoresis
interkinesis
inquisitress
illadopsis
ixodiasis
immunophoresis
ipomopsis
Starts with K
12 words
ketoacidosis
kurtosis
kyphosis
kinesis
keratosis
katabasis
karyokinesis
keratomileusis
kribensis
karyolysis
kenogenesis
kyllosis
Starts with L
22 words
lysis
lipolysis
lordosis
lisianthus
losings
leishmaniasis
lachesis
leukocytosis
lithiasis
latissimus
lipomatosis
lymphocytosis
leucosis
leukosis
lymphogranulomatosis
lymphangiectasis
lipidosis
lyolysis
lymphosarcomatosis
lipoidosis
laryngoparalysis
lymphadenectasis
Starts with M
24 words
metamorphosis
metastasis
meiosis
misdiagnosis
mitosis
microbusiness
mutagenesis
metathesis
metempsychosis
mydriasis
miosis
mycosis
misanalysis
melioidosis
melanosis
microanalysis
myiasis
metalepsis
mycotoxicosis
mythopoesis
metanalysis
metrosideros
misemphasis
morphosis
Starts with N
16 words
nemesis
neurosis
necrosis
narcosis
nonbusiness
nephrosis
noncrisis
neurolysis
neurohypophysis
nearthrosis
narcoanalysis
nephroptosis
nonmetamorphosis
narcocatharsis
nephroangiosclerosis
nephrocoloptosis
Starts with O
18 words
oasis
osmosis
overemphasis
overdiagnosis
overanalysis
osteonecrosis
organogenesis
osteoarthrosis
osteopetrosis
orthosis
orogenesis
onomatopoiesis
ozonolysis
onychocryptosis
osteoclasis
ophthalmomycosis
ophthalmodiagnosis
ophthalmomyositis
Starts with P
24 words
provisions
paralysis
prognosis
psychosis
psychoanalysis
parenthesis
psoriasis
prosthesis
pathogenesis
pyrolysis
phagocytosis
prolepsis
plasmapheresis
proteolysis
phimosis
protasis
ptosis
periphrasis
periapsis
pangasius
pneumoconiosis
psychoneurosis
paracentesis
parasitosis
Starts with R
9 words
residuals
reanalysis
resynthesis
restenosis
reemphasis
radiolysis
resinosis
rachischisis
rhipsalidopsis
Starts with S
24 words
singles
sickness
sixties
synthesis
sis
simmons
synopsis
sinus
silas
silks
sclerosis
stasis
sierras
sinusitis
symbiosis
silliness
sideburns
scoliosis
sideboards
sisyphus
siemens
stenosis
simples
situs
Starts with T
24 words
thesis
thrombosis
twinsies
thrombolysis
trypanosomiasis
tendinosis
thyrotoxicosis
thoracentesis
toxicosis
tmesis
teniasis
telangiectasis
thermolysis
taeniasis
transgenesis
thoracocentesis
trichiasis
thanatopsis
tussis
tylosis
trichuriasis
treponematosis
trichosis
thlipsis
Starts with U
8 words
urinalysis
underdiagnosis
urolithiasis
underemphasis
ulosis
urosis
ureterostegnosis
ureterocystanastomosis
Starts with V
6 words
vaginosis
vibriosis
visitress
virosis
varicosis
visceroptosis
Starts with W
3 words
whosis
whoosis
whatsis
Starts with X
4 words
xanthomatosis
xenodiagnosis
xenogenesis
xenomorphosis
Starts with Z
6 words
zoonosis
zygapophysis
zygosis
zymosis
zymolysis
zoosis

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