dunedune /dun/ noun [countable] 
earth science, geography a hill made of sand near the ocean or in the desert SYN sand dune
earth science, geography a hill made of sand near the ocean or in the desert SYN sand dune- repressive
- reprieve
- reprimand
- reprint
- reprisal
- reprise
- reproach
- reproachful
- reproachfully
- reprobate
- reprocess
- reproduce
- reproducible
- reproduction
- reproductive
- reproductive behavior
- reproductive isolation
- reproductive potential
- reproductive system
- reprographics
- reproof
- reprove
- reproving
- reprovingly
- reptile