A-W of words containing letters "er" anywhere in the word (Part 1)

Dander

Effervescently

Finger

Gerund

Heroic

Imperial

Joggers

Kaiser

Loafers

Mercenary

Nebuliser…(UK spelling, not USA)

Opener

Pervasive

Quarterdeck

Reverberating

Serenading

Tanner

Umber

Vertigo

Waterworks