13 letter words:
monochromator22,
11 letter words:
monochromat20,
9 letter words:
cormorant13,
8 letter words:
chatroom15,
coatroom12,
monocrat12,
motorcar12,
motorman12,
octoroon10,
7 letter words:
monarch14,
nomarch14,
chantor12,
torchon12,
trochar12,
monocot11,
cartoon9,
coranto9,
6 letter words:
chroma13,
chromo13,
common12,
anchor11,
archon11,
cahoot11,
charro11,
cohort11,
rancho11,
ammono10,
carrom10,
macron10,
marmot10,
thoron9,
cantor8,
carrot8,
carton8,
contra8,
corona8,
craton8,
croton8,
maroon8,
marron8,
matron8,
mortar8,
racoon8,
rancor8,
romano8,
trocar8,
orator6,
ratoon6,
5 letter words:
charm12,
macho12,
march12,
match12,
mocha12,
mooch12,
comma11,
achoo10,
ancho10,
chant10,
charr10,
chart10,
month10,
nacho10,
natch10,
notch10,
orach10,
ranch10,
ratch10,
roach10,
rotch10,
tharm10,
torch10,
carom9,
macon9,
macro9,
honor8,
north8,
ortho8,
thorn8,
thoro8,
torah8,
acorn7,
actor7,
amort7,
armor7,
canto7,
conto7,
cotan7,
croon7,
manor7,
moron7,
morro7,
motor7,
narco7,
octan7,
racon7,
roman7,
taroc7,
toman7,
rotor5,
trona5,
4 letter words:
cham11,
mach11,
arch9,
chao9,
char9,
chat9,
chon9,
coho9,
harm9,
homo9,
math9,
moth9,
tach9,
ammo8,
camo8,
coma8,
corm8,
cram8,
marc8,
hant7,
hart7,
hoar7,
hoot7,
hora7,
horn7,
oath7,
rath7,
tahr7,
than7,
thro7,
arco6,
atom6,
cant6,
carn6,
carr6,
cart6,
coat6,
coon6,
coot6,
corn6,
mano6,
mart6,
moan6,
moat6,
mono6,
moon6,
moor6,
moot6,
mora6,
morn6,
mort6,
narc6,
noma6,
norm6,
orca6,
roam6,
room6,
taco6,
toom6,
torc6,
tram6,
nota4,
onto4,
orra4,
rant4,
rato4,
roan4,
roar4,
root4,
rota4,
roto4,
tarn4,
taro4,
toon4,
tora4,
torn4,
toro4,
torr4,
3 letter words:
hmm10,
ham8,
mho8,
ohm8,
cam7,
mac7,
moc7,
mom7,
hao6,
hat6,
hon6,
hot6,
nah6,
noh6,
nth6,
oho6,
ooh6,
rah6,
rho6,
tho6,
act5,
arc5,
arm5,
can5,
car5,
cat5,
con5,
coo5,
cor5,
cot5,
man5,
mar5,
mat5,
moa5,
mon5,
moo5,
mor5,
mot5,
nam5,
nom5,
oca5,
orc5,
ram5,
roc5,
rom5,
tam5,
tom5,
ant3,
art3,
noo3,
nor3,
not3,
oar3,
oat3,
ono3,
oot3,
ora3,
ort3,
ran3,
rat3,
rot3,
tan3,
tao3,
tar3,
ton3,
too3,
tor3,
2 letter words:
hm7,
mm6,
ah5,
ha5,
ho5,
oh5,
am4,
ma4,
mo4,
om4,
an2,
ar2,
at2,
na2,
no2,
on2,
or2,
ta2,
to2,
