6
mound(noun, order, group)
5
heap(noun, order, group)
5
cloud(noun, cloud, bubble)
5
pile(noun, order, group)
5
thunderhead(noun, cloud, bubble)
4
cirrus(noun, cloud, bubble)
4
cumulus cloud(noun, expression, idiom)
3
agglomerate
3
cumulation
3
nimbus(noun, cloud, bubble)
3
stack(noun, order, group)
3
cumulo-stratus(noun, cloud)
3
scud
3
strato-cumulus(noun, cloud)
3
thundercloud(noun, cloud)
3
woolpack(noun, bubble)
2
stratus(noun, cloud, bubble)
2
accumulation
2
mass(noun, order, group)
2
cirro-cumulus(noun, cloud)
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APASmart Define. (2015). cumulus thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/cumulus/thesaurus/synonyms
ChicagoSmart Define. 2015. "cumulus thesaurus" https://smartdefine.org/cumulus/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, cumulus thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/cumulus/thesaurus/synonyms>.
MLASmart Define. "cumulus thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/cumulus/thesaurus/synonyms>