Countable Nouns That Start with SI and End with US

Explore 21 verified English countable nouns starting with SI and ending with US, including Sinus, Situs, Sicarius, Singultus, Silurus, Sinanthropus and Sibilus. 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 SIA
1 words
sialadenoncus
Starts with SIB
2 words
sibilus
sibbaldus
Starts with SIC
1 words
sicarius
Starts with SIG
1 words
siganus
Starts with SIL
2 words
silenus
silurus
Starts with SIM
1 words
simosaurus
Starts with SIN
3 words
sinus
singultus
sinanthropus
Starts with SIP
3 words
sipunculus
siphunculus
siphonognathus
Starts with SIR
1 words
sirenomelus
Starts with SIS
2 words
sisyphus
sistrurus
Starts with SIT
2 words
situs
sitophilus
Starts with SIV
1 words
sivapithecus
Starts with SIX
1 words
sixtus

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