Polynyas is a 8 letter English word. It's valid Scrabble word worth 15 points. It's valid Words with friends word worth 16 points.
You can make 180 anagrams from letters in polynyas (alnopsyy).
1850-55; Russian polyn'yá, Old Russian polynĭi equivalent to pol(ŭ) empty, open + -ynĭi noun suffix
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