English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
SILENT B
The sound /b/ which is found in words such as bin, tribute and rub is silent in the following words and should not be articulated: su(b)tle,
succum(b),
de(b)t,
de(b)tor,
dum(b),
com(b),
bom(b)er,
bom(b)ing
lam(b),
plum(b)er,
crum(b),
thum(b), etc.
GAB
