List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• chestnut tiger butterfly (Parantica sita)

usually written using kana alone  noun or verb acting prenominally  adjective (generic) 

• formal, stiff (style of speaking, writing, etc.), humble, respectful

usually written using kana alone  noun  noun (generic) 

• kurogane holly (Ilex rotunda)

usually written using kana alone  noun  noun (generic) 

• Oxytropis megalantha (species of locoweed)

usually written using kana alone  noun  noun (generic) 

• meadow buttercup (Ranunculus acris var. nipponicus)

usually written using kana alone  noun  noun (generic) 

• day lily (Hemerocallis dumortieri), orange-yellow day lily, Nikko day lily

usually written using kana alone  noun  noun (generic) 

• Canadian dwarf cornel (Cornus canadensis), bunchberry dogwood, crackerberry

usually written using kana alone  noun  noun (generic) 

• woolly geranium (Geranium erianthum)

usually written using kana alone  noun  noun (generic) 

• weaselsnout (Lagotis glauca)

usually written using kana alone  noun  noun (generic) 

• day lily (Hemerocallis dumortierii), orange-yellow day lily, Nikko day lily