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

watered

weather

hamster

sternum

numeral

lumbers

slumber

(an anagram—so shoot me)

[rat-a-tat-tat]

marbled

garbled

beggars

grabass

bastard

custard

mustard

stardom

monster

sermons

noisome

someone

neocons