Countable Nouns Ending in US and Containing A
Browse 617 valid English countable nouns ending in US and containing A, from Status, Campus, Coronavirus, Radius, Apparatus, Calculus and Asparagus 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 apparatus
asparagus
alumnus
antivirus
anus
autofocus
airbus
abacus
alveolus
amicus
argus
adenovirus
adolphus
angelus
acidophilus
annulus
andronicus
arquebus
arbovirus
acanthus
aspergillus
autobus
altocumulus
arbutus
Starts with B
18 words bacillus
brontosaurus
brachiosaurus
baculovirus
battlebus
basilosaurus
bunyavirus
bacchius
bonasus
bubalus
bulbocavernosus
bungarus
buccellarius
balus
bothriocephalus
bryanthus
bonassus
brachistocephalus
Starts with C
24 words campus
coronavirus
calculus
caucus
cactus
callus
camus
caduceus
cytomegalovirus
carpus
chiasmus
coxsackievirus
calcaneus
calamus
cantus
conatus
cirrostratus
cavus
coryphaeus
crotalus
carnotaurus
canaliculus
casus
ceanothus
Starts with D
24 words denarius
dianthus
diabolus
dilophosaurus
dactylus
dictamnus
dimocarpus
dracunculus
dicephalus
diaconus
diadumenus
diallelus
dipsacus
dorotheanthus
dendrolagus
dikelocephalus
dictyograptus
desmanthus
dermatonosus
disanthus
dolichosaurus
dibothriocephalus
derencephalus
deradelphus
Starts with E
24 words esophagus
epithalamus
elasmosaurus
equinovarus
epicanthus
edmontosaurus
euryalus
edaphosaurus
elephantopus
erinaceus
erignathus
exomphalus
elaeagnus
erianthus
epicranius
eoanthropus
erithacus
exradius
echinocactus
exencephalus
eurylaimus
euphractus
euphagus
encarpus
Starts with F
21 words faustus
flatus
flavivirus
faunus
fagus
famulus
favonius
foederatus
fractus
fasciculus
februarius
fractostratus
falus
fatuus
falcinellus
fractocumulus
ferocactus
fastus
faveolus
firmarius
falcunculus
Starts with G
15 words gladiolus
gallus
gladius
gastrocnemius
gasthaus
grampus
giganotosaurus
gallimimus
gradus
galanthus
gaudeamus
gaupus
gawpus
geophagus
glossopharyngeus
Starts with H
14 words hiatus
hippopotamus
hippocampus
hypothalamus
habitus
hantavirus
helianthus
hadrosaurus
hyacinthus
hyoscyamus
hamulus
hydrosaurus
haemanthus
halitus
Starts with I
10 words intravenous
ignoramus
iambus
iliacus
influenzavirus
ichthyosaurus
ischiocavernosus
ithyphallus
interradius
inflatus
Starts with J
2 words jacobus
jacchus
Starts with K
1 words krampus
Starts with L
12 words lactobacillus
lisianthus
lapsus
latissimus
latus
laurustinus
lapillus
leptocephalus
lathyrus
loranthus
literatus
logodaedalus
Starts with M
23 words magnus
magus
maximus
malleus
mandamus
meatus
malus
metatarsus
malleolus
mosasaurus
manus
megalosaurus
mammatus
metapneumovirus
miscanthus
metacarpus
macronucleus
mancus
mazus
malvaviscus
manatus
melianthus
macracanthorhynchus
Starts with N
9 words narcissus
nautilus
nystagmus
nimbostratus
nauplius
notocactus
nematodirus
nematanthus
novodamus
Starts with O
6 words osmanthus
organophosphorus
oncornavirus
ozothamnus
octonarius
orthrosanthus
Starts with P
24 words papyrus
platypus
pegasus
phallus
papillomavirus
parnassus
parvovirus
priapus
polyanthus
passus
pangasius
parasaurolophus
panniculus
pannus
paranthropus
philadelphus
pandanus
pappus
paramyxovirus
polyomavirus
pachycephalosaurus
parus
parlez-vous
playbus
Starts with Q
2 words quadratus
quetzalcoatlus
Starts with R
12 words radius
rotavirus
ranunculus
ramus
retiarius
railbus
rosmarinus
rhabdovirus
rhamnus
ramulus
rhinanthus
rhabdus
Starts with S
24 words status
syllabus
sagittarius
sarcophagus
stratus
stegosaurus
sanctus
shamus
staphylococcus
scabious
serratus
spinosaurus
sambucus
stratocumulus
sartorius
senatus
sardanapalus
sarus
sicarius
saccus
seismosaurus
stapedius
sardius
sacculus
Starts with T
24 words taurus
thesaurus
thalamus
talus
tyrannosaurus
tragus
tarsus
thallus
tantalus
tractus
taxus
togavirus
thiasus
tactus
thiobacillus
therizinosaurus
trachycarpus
tarsometatarsus
tibiotarsus
tersanctus
trachinus
thaumaturgus
trachypterus
thyroarytenoideus
Starts with U
5 words uraeus
urachus
ultrasaurus
ultravirus
uraniscus
Starts with V
6 words vagus
valgus
varus
vastus
varanus
vagitus
Starts with W
5 words walrus
waterbus
wampus
wamus
wammus
Starts with X
3 words xiphopagus
xanthocephalus
xenosaurus
Starts with Z
8 words zygomaticus
zygocactus
zinjanthropus
zaglossus
zoophagus
zygadenus
zapus
zigadenus