You know what it looks like… but what is it called?
TAKE THE QUIZ“double key”
We have one entry that includes the term double key.
double-key cipher
noun: polyalphabetic substitution
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- Which of these items is named for a deadly weapon?
You can make only 12 words. Pick the best ones!
PLAYLove words? Need even more definitions?
Merriam-Webster unabridged