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

Oops! Got my ers mixed up with my ys

Teaser

Utterly

Verve

Wanderer

Aberration

Buttered

Chanter

Drifters

Energiser

(2 for 1) :joy:

Freighter

Garter

Hereditary

Interested

Juniper

Keeper

Leper

Masher

Nervously

Opener

Prefer