List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• garden sorrel (Rumex acetosa), cock sorrel, sour dock

irregular kanji usage  usually written using kana alone  noun  noun (generic) 

• cowrie (esp. the chocolate cowrie, Mauritia mauritiana), cowry

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

• plantain (esp. Asian plantain, Plantago asiatica)

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

• sloth (animal)

usually written using kana alone  noun  noun (generic) 

• Bengalese finch, society finch (Lonchura striata var. domestica)

usually written using kana alone  noun  noun (generic) 

• grated yam

usually written using kana alone  noun  noun (generic) 

• opossum shrimp (Mysida spp.), mysid

usually written using kana alone  noun  noun (generic) 

• white-naped crane (Grus vipio)

usually written using kana alone  noun  noun (generic) 

• Japanese ash (Fraxinus japonica)

search-only kanji form  usually written using kana alone  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• tailspin, spin
• drilling, boring