Other possible rhymes for buu
aboo
abou
asbu
bamboo
bambu
bibbidi-bobbidi-boo
boo!
boo-boo
booe
booh
bu-ba-bu
bug-a-boo
buggle-boo
eve/zebu
golfboo
kboo
keum-boo
kum-boo
kum-bu
mbou
monkey-pockie-boo
mpbou
nontaboo
peek-a-boo
peek-a-boo!
qumbu
rebu
renicky-boo
ro-kyu-bu!
saint-pierre-du-bu
taboo
taboo!
tickety-boo
wbhu
yaa-boo
yamibou