genres
Benumb is a 6 letter word. It means to make numb.
sybass
berets
Botany.
babies
Botany
The word is oblige.
hubbub; entomb; bicarb
Cobweb does, as does Cherub.
debase
Abrade
There is no 7-letter word using those letters, but there are two 6-letter options:confabforbad