Verified answer

ER

Lover, Loser, Cover, Bigger, Upper, Pepper, Seller, Over, Pullover, Winter, Never, Finger, Summer...

UND

Ground, Underground, Sound, Pound, Found, Gerund, Round, Around...

EN

Pen, Gen, Open, Aspen, Ien, Men, Often, Oven, Seven, Ten, Written, Women,....

then, pen, abdomen, women,

administer-administrar around-ao redor chicken-frango

baker-padeiro citizen-cidadão

bladder-bexiga delicatessen-mercearia

butcher-açougueiro

career-cerreira

character-caráter

lasER,powER,drivER,teachER,dinnER.

Só sei essas.Flw