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

Border

Chequers

Derived

Err… (:joy: )

Sorry, lets get serious.

Erroneous

Entering

Fern (as in plant)

Geriatric (as in me)

Heraldry

Interestingly

Joker

Keeper

Loser

Mothering

Nervous

Other

Pincers

Quicker

Rarer

Sheering

Timber