3
talus
2
bar
2
barbican(noun, fortification, cell, stronghold, presidio)
2
barrage
2
defense(noun, support, ditch, fortification, barricade)
2
earthworks(noun, fortification, cell, stronghold, presidio)
2
fence(noun, elevation, fortification, wall, embankment)
2
groin
2
mole
2
outwork(noun, fortification, embankment)
2
parados
2
redoubt(noun, fortification, cell, stronghold, presidio)
2
security(noun, fortification, wall, embankment, bulwark)
2
stronghold(noun, defense, fortification, cell, presidio)
2
vallation(noun, elevation, fortification, wall, embankment)
1
abatis
1
advanced work
1
arch dam
1
backstop
1
balistraria
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). earthwork thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/earthwork/thesaurus/synonyms
ChicagoSmart Define. 2015. "earthwork thesaurus" https://smartdefine.org/earthwork/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, earthwork thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/earthwork/thesaurus/synonyms>.
MLASmart Define. "earthwork thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/earthwork/thesaurus/synonyms>