Countable Nouns Ending in OS and Containing S

Browse 155 valid English countable nouns ending in OS and containing S, from Cosmos, Ethos, Demos, Adios, Sos, Chinos and Rhinoceros 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
17 words
adios
axios
atmos
aulos
azygos
aoidos
aryballos
anophthalmos
anigozanthos
askos
aepyceros
anodos
aegithalos
akolouthos
antigropelos
alalagmos
alloiostrophos
Starts with B
4 words
bigos
balabos
bothros
buceros
Starts with C
13 words
cosmos
cos
chinos
calvados
christos
catholicos
custos
chaparejos
chalkos
crios
chaparajos
criophoros
cephaleuros
Starts with D
12 words
demos
dolichos
doos
didymos
diospyros
dromos
dolos
diceros
dipteros
diaulos
diadoumenos
dihelios
Starts with E
18 words
ethos
enos
eidos
exodos
epos
exomphalos
ethnos
extrados
eleutherios
euarctos
epinaos
epikouros
emprosthotonos
enhydros
encephalartos
epiparodos
epanodos
episthotonos
Starts with G
3 words
galapagos
gauchos
gros
Starts with H
2 words
huevos
heautontimorumenos
Starts with I
2 words
ios
intrados
Starts with K
5 words
kos
kouros
kanjoos
kantharos
kottabos
Starts with L
3 words
llanos
lekythos
lichanos
Starts with M
10 words
mythos
maduros
microcosmos
monoceros
metanephros
mebos
metrosideros
megaloceros
mesonephros
monopteros
Starts with N
3 words
nomos
naos
nostos
Starts with O
8 words
os
ouroboros
omphalos
opisthotonos
orthros
ovibos
onos
opisthodomos
Starts with P
20 words
pothos
parados
pharos
porthos
pithos
peplos
pronaos
parodos
pronephros
phos
peribolos
promachos
petasos
paranephros
periaktos
porphyrios
phorusrhacos
pseudoperipteros
proslambanomenos
philophilosophos
Starts with R
7 words
rhinoceros
rooibos
reredos
renosterbos
rhodotypos
rhenosterbos
rhombos
Starts with S
16 words
sos
sakkos
saros
stichos
skyphos
sekos
sparagmos
stamnos
symplocos
symphoricarpos
siglos
speos
sacerdos
sauroctonos
sicyos
sandastros
Starts with T
10 words
thermos
taos
topos
telos
tournedos
tripos
temenos
tholos
tomos
threnos
Starts with V
1 words
vassos
Starts with X
1 words
xenos

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