How many letters does the top answer for “island in kingdom of prussia” have?

The most common answer is strand (6 letters).

Crossword clue: island in kingdom of prussia

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

strand 6 letters wd-fact-v3

leave stranded or isolated with little hope of rescue

actor from kingdom of prussia 50% similar → lilienthal, wedekind

city in kingdom of prussia 50% similar → konigsberg, trzebiatow, wrzesnia

island in kingdom of denmark 50% similar → diskoisland, greenland, hansisland