List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• redlip mullet (Chelon haematocheilus)

usually written using kana alone  noun  noun (generic) 

• Japanese squirrel (Sciurus lis)

usually written using kana alone  noun  noun (generic) 

• ground squirrel (esp. the Daurian ground squirrel, Spermophilus dauricus)

usually written using kana alone  noun  noun (generic) 

• ground squirrel (esp. a ground squirrel of North America or Africa)

usually written using kana alone  noun  noun (generic) 

• climbing perch (esp. of genus Anabas)

usually written using kana alone  noun  noun (generic) 

• roundtail paradisefish (Macropodus ocellatus)

usually written using kana alone  noun  noun (generic) 

• paradise fish (Macropodus opercularis)

rarely used kanji form  usually written using kana alone  interjection  dated term  conjunction 

• farewell, goodbye, adieu
• if so, in that case, then, and (then)

usually written using kana alone  noun  noun (generic) 

• omicron

usually written using kana alone  noun  noun (generic) 

• Japanese night heron (Gorsachius goisagi)