How to say "dune" in Japanese

• 砂山すなやまCommon
  nounCovers the literal sense of a hill or mound of sand, and can also mean a sand dune. Suits concrete, physical description, such as children playing on a heap of sand at a beach or park.
• デューン
  nounA loanword covering 'dune' as a geographic or natural feature, such as coastal or desert dunes. It is less common than 砂山, so many learners will more often encounter or use the native word in everyday contexts.

砂山 literally means a hill of sand and can describe a sand dune in ordinary description, while 「デューン」 is the loanword used when referring to dunes as a geographic feature.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 砂山すなやまsand hill
• デューンdune
• デューンDune (series of novels by Frank Herbert)