Spelling list: No need to double

More examples of the doubling rule: You do not need to double the last letter of a word if: 1) a word ends in two consonants 2) the suffix starts with a consonant

crashing
My computer keeps crashing.
dampen
I don't want to dampen anyone's spirits, but I have some bad news.
windy
It is too windy to use an umbrella. *
buzzed
A wasp buzzed around my head.
stuffing
The stuffing has come out of my old teddy bear.
checked
They checked the door knob for fingerprints.
locked
The door was locked and bolted. *
puffy
Her face was puffy from crying so much.
crafty
The story is about a crafty fox.
selfish
Ebenezer Scrooge is a grumpy and selfish old man. *
twisted
The branches twisted in the wind.
quickly
Our baby has grown so quickly.
handful
The recipe requires a handful of rice.
thankless
It was a thankless task. *
backless
She wore a backless dress to the party.
thickness
The thickness of my gloves will keep my hands warm.
spotless
I scrubbed the floor until it was spotless.
madness
It was a macabre story of murder and madness. *