110 entries under nature topic. ×

16
flood plain(noun, expression, geology, feature)
14
depositional plain(expression, geology, feature, type)
13
lava plain(expression, geology, feature, type)
13
abyssal plain(expression, feature, type, surface)
13
alluvial plain(expression, geology, feature, type)
12
outwash plain(expression, geology, feature, environment)
11
West Siberian Plain(expression, territory, area, land)
11
East European Plain(expression, territory, area, land)
10
Nullarbor Plain(noun, expression, territory, area)
9
Indo-Gangetic Plain(expression, territory, area, land)
8
flood-plain scroll(expression, geology, feature, land)
7
Danubian Plain(expression, territory, area, land)
7
North German Plain(expression, territory, area, land)
7
Po Valley(expression, territory, area, land)
7
flood-plain lobe(expression, geology, feature)
6
flood plain meadow(expression, feature, environment, ecology)
6
plain belt(expression, feature, biology, animal)
5
Atlantic Coastal Plain(expression, territory, area, america)
5
coastal plain(expression, geology, feature)
5
inundated plain(expression, feature, ecology)
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APASmart Define. (2016). plain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plain/thesaurus/narrower
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/narrower (accessed September 23, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plain/thesaurus/narrower>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/plain/thesaurus/narrower>