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

Interestingly

Jerk.

Killers

Laughter

Murderer

Nipper

Opera

Peritonitis

Quencher

Reverberating

Slavery

Tenderly

Uppers

Veterinarian

Walker

Alternator

Boxer

Colander

Dander

Evergreen