"Buku" is a word in CEBUANO

buku v [A; a1] reveal s.
o.
s character, true identity, be found out.
Bukhun ta ka nga minyù ka, I will reveal that you are married.
Nabuku siyang mangingilad, It was revealed that he was a swindler.

buku n node of a stem.
Malísù pay buku sa kawáyan, Impos-sible.
(Lit.
A bamboo node would sooner get twisted.
) v [a12] chop s.t.
at the node.
Dúgay kang makaputul nang kahúyag bukhun mu pagtigbas, Itll take you a long time to cut that tree if you hack it on its node.
bukubuku n the back of a person or animal.
v [a12] hit s.t.
in the back.