Words with and without double consonants

balling-baling

batted-bated

bidding-biding

bitter-biter

bitting-biting

bladder-blader

canning-caning

capped- caped

capper-caper

chaffing-chafing

copping-coping

cutter-cuter

dinner-diner

dolling-doling

dossing-dosing

dotting-doting

fibber-fiber (US)

filler-filer

filling-filing

fussing-fusing

gabble-gable

gamming-gaming

gapping-gaping

gripper-griper

gripping-griping

hammer-Hamer

hatter-hater

holly-holy

hopping-hoping

hugger-huger

litter-liter (US)

lopping-loping

matting-mating

mopping-moping

mussing-musing

nobble-noble

palling-paling

pilling-piling

pinning-pining

pipping-piping

planning-planing

polling-poling

primmer-primer

ragging-raging

ratting-rating

razzing-razing

ridding-riding

riffle-rifle

ripper-riper

robbed-robed

rudder-ruder

shamming-shaming

shinning-shining

sitting-siting

skitter-skiter

slatted-slated

slimming-sliming

snipper-sniper

sobber-sober

spinny-spiny

spitting-spiting

stagger-stager

summer-Sumer

supper-super

tabbing-tubing

tapper-taper

tapping-taping

tiller-tiler

tilling-tiling

totting-toting

twinning-twining

wadding-wading

wagger-wager

wagging-waging

willing-wiling

barred-bared

barring-baring

burry-bury

furry-fury

marry-Mary

scarred-scared

scarring-scaring

sparred-spared

sparring-sparing

starred-stared

starring-staring