...A suitable pile of readily combustible wood was prepared... 
Galen Clark 「Indians of the Yosemite Valley and Vicinity」
... being made up of somany and divers combustible materials...
Dorothy Stimson 「The gradual acceptance of the Copernican theory of the universe」
...The gum-tree is highly combustible, and it is a common practicewith them to kindle their fires at the root of one of thesetrees...
Arthur Phillip 「The Voyage Of Governor Phillip To Botany Bay」
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