Countable Nouns That Start with S and End with IS

Explore 108 verified English countable nouns starting with S and ending with IS, including Synthesis, Sis, Synopsis, Sclerosis, Stasis, Sinusitis and Symbiosis. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with SA16 words
salmis
sarcocystis
salpiglossis
sacrospinalis
saccharomycosis
sarcosporidiosis
sarcosis
sayornis
sacrolumbalis
salpingemphraxis
sarcilis
sacramentalis
sacrilumbalis
salpingocyesis
sacrocoxitis
sarcostosis
Starts with SC11 words
sclerosis
scoliosis
schizostylis
schindylesis
scirrhosis
sclerotitis
schesis
sclerochoroiditis
scleroticochoroiditis
scleriasis
schizomycosis
Starts with SE5 words
seychellois
semiosis
serodiagnosis
semimicroanalysis
semimetamorphosis
Starts with SI13 words
sis
sinusitis
siris
sialadenitis
sinapis
sialis
sialosis
sialolithiasis
sideritis
sialostenosis
sinornis
sikinnis
sinopis
Starts with SK
1 words
skepsis
Starts with SO4 words
solenopsis
sorosis
solvolysis
solanopteris
Starts with SP16 words
spondylosis
spondylolisthesis
spondylolysis
sparassis
spirochetosis
spondylarthritis
sparaxis
spondylosyndesis
spermatocystitis
spirillosis
splanchnodiastasis
splanchnosclerosis
splanchnapophysis
spondylodiagnosis
spondylexarthrosis
splanchnemphraxis
Starts with ST12 words
stasis
stenosis
stomatitis
stephanotis
stereotaxis
strongylosis
struthiopteris
stegnosis
streptothricosis
staphylodermatitis
staphylodialysis
styloauricularis
Starts with SU
1 words
subcutis
Starts with SY24 words
synthesis
synopsis
symbiosis
symphysis
synapsis
syllepsis
synchondrosis
synovitis
syndesmosis
synarthrosis
syneresis
synostosis
syrtis
synodontis
synchysis
synaxis
sycosis
syndesis
syssarcosis
synizesis
symptosis
synchoresis
syphilopsychosis
syntenosis

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