15 Letter Words
ferromolybdenum
28
cryptosporidium
27
archaebacterium
26
corynebacterium
26
macrosporangium
24
microsporangium
24
interambulacrum
23
enterobacterium
21
tetrasporangium
20
14 Letter Words
clavicytherium
29
disequilibrium
28
sceuophylacium
28
nonequilibrium
27
fideicommissum
26
cyanobacterium
25
chondrocranium
24
megasporangium
22
conservatorium
21
disciplinarium
21
nitrobacterium
20
radiostrontium
17
spermatogonium
21
13 Letter Words
hexamethonium
30
hypochondrium
29
chrysanthemum
28
spathiphyllum
28
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
paramenstruum
19
protoactinium
19
platiniridium
18
actinouranium
17
anticlinorium
17
inclinatorium
17
12 Letter Words
quinquennium
32
chlorophytum
27
amphithecium
26
kurchatovium
26
xiphisternum
26
mycodomatium
24
perionychium
24
quadriennium
24
unnilquadium
24
hypogastrium
23
cuprammonium
22
etymologicum
22
helianthemum
22
praseodymium
22
progymnasium
22
archesporium
21
epithalamium
21
hibernaculum
21
lithospermum
21
perichaetium
21
perinephrium
21
pityrosporum
21
pleiochasium
21
prothalamium
21
calceamentum
20
11 Letter Words
zanthoxylum
35
hydroxonium
27
polyzoarium
27
bryophyllum
26
xenodochium
26
macrophylum
25
xeranthemum
25
equilibrium
24
excrementum
24
helichrysum
24
hydrargyrum
24
podophyllum
24
zoodendrium
24
zoogonidium
24
cypripedium
23
panjandarum
23
phosphonium
23
polychasium
23
quadrennium
23
sempervivum
23
superphylum
23
unnilhexium
23
promycelium
22
tetrazolium
22
formicarium
20
10 Letter Words
quadrivium
25
colloquium
23
hypanthium
23
eponychium
22
panjandrum
22
compluvium
21
exosporium
21
phyllodium
21
seaquarium
21
sequestrum
21
triquetrum
21
chromidium
20
cockalorum
20
hemelytrum
20
lycopodium
20
molybdenum
20
myocardium
20
procambium
20
apothecium
19
charmonium
19
compendium
19
embothrium
19
euphorbium
19
glochidium
19
meerschaum
19
9 Letter Words
rhizobium
25
zoocytium
25
avizandum
24
excambium
24
mazaedium
23
excerptum
22
quercetum
22
trapezium
22
zirconium
22
cymbidium
21
deliquium
21
diazonium
21
hypericum
21
nymphaeum
21
subphylum
21
colchicum
20
diachylum
20
effluvium
20
equisetum
20
hypogaeum
20
quaesitum
20
taraxacum
20
pycnidium
19
pyrethrum
19
sympodium
19
8 Letter Words
pyxidium
23
checksum
21
exemplum
21
mezereum
21
lixivium
20
vexillum
20
aquarium
19
blackgum
19
extremum
19
hypogeum
19
cyathium
18
exordium
18
hymenium
18
onychium
18
brachium
17
cervicum
17
chromium
17
cymatium
17
didymium
17
mycelium
17
phormium
17
poppadum
17
puppodum
17
pygidium
17
scybalum
17
7 Letter Words
jejunum
23
maximum
20
exuvium
19
quantum
18
zoarium
18
jugulum
17
offscum
17
pythium
17
skookum
17
hummaum
16
oxonium
16
cambium
15
crumbum
15
hafnium
15
hahnium
15
humdrum
15
plumbum
15
stickum
15
bohrium
14
cadmium
14
chetrum
14
chillum
14
fermium
14
fulcrum
14
holmium
14
6 Letter Words
boojum
17
exacum
17
quorum
17
quotum
17
humhum
16
hypnum
16
phylum
16
hummum
15
khanum
15
wampum
15
xenium
15
bunkum
14
gypsum
14
nickum
14
amylum
13
beflum
13
bivium
13
dinkum
13
echium
13
factum
13
lyceum
13
vacuum
13
viscum
13
adytum
12
amomum
12
5 Letter Words
jugum
15
kokum
15
hokum
14
jorum
14
khoum
14
cecum
11
dwaum
11
oakum
11
begum
10
fanum
10
filum
10
forum
10
hilum
10
novum
10
rheum
10
shtum
10
thrum
10
album
9
degum
9
imaum
9
locum
9
opium
9
pilum
9
scrum
9
sebum
9