List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• russet sparrow (Passer rutilans), cinnamon sparrow

usually written using kana alone  noun  noun (generic) 

• bastard lupine (Trifolium lupinaster), lupine clover, hop clover, trefoil

usually written using kana alone  expression 

• intolerable, unbearable, unendurable
• tremendous, out of this world, irresistible
• cannot help (doing), cannot but do, anxious to do

irregular okurigana  usually written using kana alone  noun  noun (generic) 

• Castanopsis cuspidata (species of chinquapin)

usually written using kana alone  noun  noun (generic) 

• Castanopsis cuspidata (species of chinquapin)

usually written using kana alone  noun  noun (generic) 

• Castanopsis sieboldii (species of chinquapin)

usually written using kana alone  noun  noun (generic) 

• Castanopsis sieboldii (species of chinquapin)

search-only kanji form  usually written using kana alone  expression 

• that, the matter in question

usually written using kana alone  noun  noun (generic) 

• oregano (Origanum vulgare)

usually written using kana alone  noun  noun (generic) 

• Mentha japonica (species of mint)