SHORT PATTERN ANSWER
How do you spell Polka Dot?
Polka Dot is spelled P-O-L-K-A D-O-T. Write “polka dot” as two words; hyphenate it before a noun when useful. A polka-dot pattern repeats filled circular spots.
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Patterns using this word

Club
Cartoon butterfly seamless pattern in bright colors
This is a seamless pattern with cartoon butterflies in various colors. The butterflies have polka dots and are.