List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• moth fly (Psychodidae), moth midge, sand fly

usually written using kana alone  noun  noun (generic) 

• lawn marshpennywort (Hydrocotyle sibthorpioides)

usually written using kana alone  noun  noun (generic) 

• Brazilian plume flower (Justicia carnea), Brazilian plume

rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• Pacific barrelfish (Hyperoglyphe japonica)

usually written using kana alone  expression 

• just kidding

rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• bat's wing fern (Histiopteris incisa), water fern

usually written using kana alone  noun  noun (generic) 

• bank haircup moss (Polytrichastrum formosum)

usually written using kana alone  Ichidan verb  verb (generic)  intransitive verb  Hokkaido-ben  Touhoku-ben 

• to swell up (by soaking in water), to become soft, to become soggy, to become sodden, to macerate

usually written using kana alone  な adjective  adjective (generic) 

• eco-friendly

usually written using kana alone  noun  noun (generic) 

• roe deer (Capreolus capreolus), European roe