Synonyms of breastwork

1 Syllable
mound, fort, hill, guard, wall
2 Syllables
ridge, barrier, support, earthwork, rampart, bastion, bastions, fence, bulwark
3 Syllables
embankment, parapet, vallation, defense, protection
4 Syllables
elevation, barricade, security
5 Syllables
fortification, fortifications