Compare roo with other words:
roo vs. roop
roo vs. roy
doo vs. roo
roo vs. roon
coo vs. roo
roo vs. roof
hoo vs. roo
goo vs. roo
roe vs. roo
roc vs. roo
roo vs. woo
roo vs. root
foo vs. roo
rob vs. roo
loo vs. roo
roo vs. row
poo vs. roo
roo vs. rook
moo vs. roo
roo vs. rot
roo vs. rood
rod vs. roo
roo vs. room
roo vs. too
roo vs. stillness
quietness vs. roo
rest vs. roo
kangaroo vs. roo