15 Letter Words
cryptosporidium
27
archaebacterium
26
corynebacterium
26
macrosporangium
24
microsporangium
24
enterobacterium
21
tetrasporangium
20
14 Letter Words
clavicytherium
29
disequilibrium
28
sceuophylacium
28
nonequilibrium
27
cyanobacterium
25
chondrocranium
24
megasporangium
22
conservatorium
21
disciplinarium
21
nitrobacterium
20
radiostrontium
17
spermatogonium
21
13 Letter Words
hexamethonium
30
hypochondrium
29
mycobacterium
26
ferrochromium
25
pycnoconidium
25
amphigastrium
23
decamethonium
23
perichondrium
23
vivisectorium
23
rutherfordium
22
vibracularium
22
succinctorium
21
acaridomatium
20
acarodomatium
20
scolopendrium
20
armamentarium
19
evangeliarium
19
protoactinium
19
platiniridium
18
actinouranium
17
anticlinorium
17
inclinatorium
17
lectisternium
17
zoosporangium
27
12 Letter Words
quinquennium
32
amphithecium
26
kurchatovium
26
mycodomatium
24
perionychium
24
quadriennium
24
unnilquadium
24
hypogastrium
23
cuprammonium
22
praseodymium
22
progymnasium
22
archesporium
21
epithalamium
21
perichaetium
21
perinephrium
21
pleiochasium
21
prothalamium
21
dolphinarium
20
pseudopodium
20
superpremium
20
cladosporium
19
pandaemonium
19
panhellenium
19
spermagonium
19
spermogonium
19
11 Letter Words
hydroxonium
27
polyzoarium
27
xenodochium
26
equilibrium
24
zoodendrium
24
zoogonidium
24
cypripedium
23
phosphonium
23
polychasium
23
quadrennium
23
unnilhexium
23
promycelium
22
tetrazolium
22
formicarium
20
monochasium
20
perithecium
20
apodyterium
19
archegonium
19
columbarium
19
endothecium
19
erythronium
19
gynostemium
19
hesperidium
19
hormogonium
19
mendelevium
19
10 Letter Words
quadrivium
25
colloquium
23
hypanthium
23
eponychium
22
compluvium
21
exosporium
21
phyllodium
21
seaquarium
21
chromidium
20
lycopodium
20
myocardium
20
procambium
20
apothecium
19
charmonium
19
compendium
19
embothrium
19
euphorbium
19
glochidium
19
perimysium
19
polyparium
19
promethium
19
delphinium
18
dysprosium
18
filopodium
18
gnaphalium
18
9 Letter Words
rhizobium
25
excambium
24
mazaedium
23
trapezium
22
zirconium
22
cymbidium
21
deliquium
21
diazonium
21
effluvium
20
pycnidium
19
sympodium
19
syncytium
19
bronchium
18
coccidium
18
epimysium
18
hydronium
18
impluvium
18
symposium
18
vaccinium
18
berkelium
17
columbium
17
dichasium
17
gymnasium
17
gynaecium
17
gynoecium
17
8 Letter Words
pyxidium
23
lixivium
20
aquarium
19
cyathium
18
exordium
18
hymenium
18
onychium
18
brachium
17
chromium
17
cymatium
17
didymium
17
mycelium
17
phormium
17
pygidium
17
graphium
16
gynecium
16
vivarium
16
achenium
15
bothrium
15
francium
15
psyllium
15
scholium
15
silphium
15
syconium
15
ammonium
14
7 Letter Words
exuvium
19
zoarium
18
pythium
17
oxonium
16
cambium
15
hafnium
15
hahnium
15
bohrium
14
cadmium
14
fermium
14
holmium
14
ischium
14
calcium
13
premium
13
rhodium
13
dubnium
12
eluvium
12
hassium
12
lithium
12
plagium
12
rhenium
12
spodium
12
thorium
12
thulium
12
trivium
12