A-W of words containing letters "er" anywhere in the word (Part 2)

Opera…

Peterhead

Querulous

Rugger

Shutter

Tinkers

Underused

Vender

Western

Aberration

Brother

Certain

Drinkers

engorgers

Frolickers

Grovers

Heralded

Interlopers

Jiggery

Kinder