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

decrees

degrees

greased

degauss

sausage

gaseous

carouse

aroused

rosebud

browsed

groused

mousers

summery

summary

Rummery

https://www.paralympic.org/https://youtu.be/gP3MuUTmXNk-rummery

murmurs

muumuus

museums

Mummers

hammers