Spelling.School · How to spell
How to spell knapsack
What it means: A bag carried on your back.
In a sentence: Max packed his lunch in a small blue knapsack.
The part people get wrong
Watch for a silent k. Often misspelled as nap sack or knap sack.
Same family: backpack, rucksack, bag, handbag, luggage. If you can spell one, the shared part carries to the others.
Where it comes from: “Knapsack” comes from German "Knappsack," where "knappen" meant “to eat a snack” and "Sack" meant “sack or bag,” referring to a soldier’s bag for food and supplies.
Patterns it uses: Silent letters
Try spelling it
You will hear the word and a sentence. Type it and press Enter. Then four more words from the same level, so you know where you stand.
Words like this
knock · knob · knickers · wreck · knoll · knead · knave · knot
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