Seven-letter words - change zero to two letters to make a new word (Part 1)

Indeed: Gramma - Wikipedia

Playing off Gramma’s

margins

singers

glisten

listens

Nonzero, nonce.
Only seven letter word with zero I could think of.

Never mind, Cistern is already done.

Instill

Wrong again.

working off instill (valid):

stencil

license

censure

Entrust

untruth

Hunters.
Limiting myself to no previous instances in the thread.

undress

renders

seeders

dresser

breeder