1
rufous(adjective, colour)
1
russet(adjective, colour)
1
rust(adjective, colour)
1
saprolite
1
sarsen
1
scarlet(adjective, colour)
1
schist
1
scree
1
sedimentary rock
1
shale(noun, rock)
1
shelf
1
shelly pahoehoe
1
sinopia(adjective, colour)
1
smoke
1
smudge
1
smut
1
sullage
1
talus
1
terra cotta(adjective, colour)
1
tufa
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). lava thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lava/thesaurus/synonyms
ChicagoSmart Define. 2015. "lava thesaurus" https://smartdefine.org/lava/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, lava thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lava/thesaurus/synonyms>.
MLASmart Define. "lava thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/lava/thesaurus/synonyms>