How many letters does the top answer for “land bordering a body of water” have?

The most common answer is waterside (9 letters).

Crossword clue: land bordering a body of water

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

waterside 9 letters wn-def

land bordering a body of water

a body of water surrounded by land 60% similar → lake

a strip of land projecting into a body of water 50% similar → cape, ness

the land along the edge of a body of water 50% similar → shore