This is the 16981st most frequent Polish word.
wysp
"Wysp" is the genitive plural form of "wyspa," meaning "islands" in English.
Here, 'wysp' is the plural genitive form of the word 'wyspa' (island), used to describe being among islands.
Podróżowaliśmy wśród pięknych wysp na Morzu Karaibskim.
We traveled among beautiful islands in the Caribbean Sea.
In this sentence, 'wysp' represents the genitive plural form, used to denote possession or quantity of islands.
Mapa pokazuje wszystkie wysp Polskiego Wybrzeża.
The map shows all the islands of the Polish Coast.
The use of 'wysp' here highlights the inability to enumerate the islands, again as a genitive plural.