-
irregular:part,
-
simple:part,
-
resonant:object,
-
topographic:depression,
-
structural:attribute,
-
primitive:object,
-
geometric:part,
-
topographic:form,
-
acoustic:attribute,
-
natural:cavity,
-
floating:object,
-
low:point,
-
angular:object,
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small:cavity,
-
natural:space,
-
dark:location,
Category Nuances for hollow:
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floating,
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resonant,
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structural,
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irregular,
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angular,
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topographic,
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simple,
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dark,
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low,
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small,
-
geometric,
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primitive,
-
acoustic,
-
natural,
Simple Categories for hollow: