Nature
DUNE
A dune is a hill or ridge of sand shaped and moved by the wind. Dunes form in deserts and along coastlines wherever loose sand accumulates. Some desert dunes, called star dunes, can rise hundreds of meters and slowly migrate over time.
DUNE is the kind of word that shows up in themed word searches like Strands. Themed puzzles group words like this under a shared category — here, Nature.