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

descent

sincere

incense

obscene

scenery

cannery

cancers

rancher

poacher

crochet

crotches

working off “crochet” since “crotches” has 8 letters:

croquet

racquet

ratchet

hatchet

theater

hatters

batters

:baseball:

breathe

threats