Words with 6 letters:
imbues
Abduce
There is no 7-letter word using those letters, but there are two 6-letter options:confabforbad
Benumb is a 6 letter word. It means to make numb.
burier, rubier
sybass
A nine letter word using those letters is boomerang.
genres
berets
Botany.
babies
Botany
The word is oblige.