Denshi Jisho — Online Japanese dictionary

しば brushwood; firewood
Common word, Noun 
かしば match; lucifer
Noun 
さわしば heartleaf hornbeam (Carpinus cordata)
Noun, Usually written using kana alone 
たむしば willow-leafed magnolia (Magnolia salicifolia); anise magnolia
Noun, Usually written using kana alone 

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