A-W of words containing letters "er" anywhere in the word

Mauler

Nerd…

Operand

Perpendicular

Quinqureme of Ninoveh

a trireme by any chance?

R = refrigerator

Quinquereme (Greek πεντήρης‎‎, Latin quinqueremis), was a warship rowed by oarsmen arranged in groups of five, perhaps with three banks of oars, …Quinquereme (Greek πεντήρης‎‎, Latin quinqueremis), was a warship rowed by oarsmen arranged in groups of five, perhaps with three banks of oars, …"

Stokers

Terminus

Underworld

Mermaid
Wrong answer!

Nursery

Overexert

Personification

Qwerty

Rover

Swerve

Tersely

Universe

Versification

Waterworks