1
ravine
1
roots(noun, shoots, stems, tubers, corms)
1
salt marsh
1
sediment
1
shipping
1
ships
1
stands
1
sump
1
swamplands(noun, marshes)
1
swamps(noun, marshes)
1
tonnage
1
trench
1
trough
1
tushes(noun, rears, backsides)
1
undersides(noun, bases, opposites, reversals)
1
undersurfaces(noun, bases, undersides)
1
vale
1
vales
1
valley
1
wadi
11 years ago|7.1k views|share |citing 
APASmart Define. (2015). bottoms thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bottoms/thesaurus/synonyms
ChicagoSmart Define. 2015. "bottoms thesaurus" https://smartdefine.org/bottoms/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bottoms thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bottoms/thesaurus/synonyms>.
MLASmart Define. "bottoms thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/bottoms/thesaurus/synonyms>