1
pahoehoe
1
pedestal(support, rest, base, foundation, center)
1
pillar
1
pillow lava
1
porphyry
1
postulate(noun, support, action, base, beginning)
1
premise(noun, support, action, cause, reason)
1
presumption(noun, support, action, base, beginning)
1
presupposition(noun, support, action, base, beginning)
1
principal element(noun, expression, support, action, base)
1
proof(noun, support, action, cause, reason)
1
pudding stone
1
quarry
1
radical
1
ragged edge(noun, expression, brink)
1
reef
1
regolith
1
rest(noun, support, base, foundation, center)
1
riprap
1
ropy lava
11 years ago|5.7k views|share |citing 
APASmart Define. (2015). bedrock thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/bedrock/thesaurus/synonyms
ChicagoSmart Define. 2015. "bedrock thesaurus" https://smartdefine.org/bedrock/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, bedrock thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/bedrock/thesaurus/synonyms>.
MLASmart Define. "bedrock thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/bedrock/thesaurus/synonyms>