‘ow’ as in cow

Nouns
brow
clown
cow
crowd
crown
towel
tower
town
trowel

Verbs
bow
frown
howl
prowl
scowl
vow

Adjectives
brown
fowl

Other Words
down
how
now
wow

‘ow’ as in mow

Nouns
arrow
bow
crow
elbow
pillow
show
snow
widow
willow
window

Verbs
blow
flow
glow
grow
know
mow
row
show
stow
throw
tow

Adjectives
mellow
slow
yellow

Other Words
below