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

Boiler

Cauliflower

Derringer

Entertainer

Flasher

Gnasher

Hatter

Immersion

Jammer

Kerplunk

Lamber

Mouldering

Nevertheless

Opener

Periscope

Quarterly

Recorder

Stripper

Teller

Underhand