List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• common wombat (Vombatus ursinus)

usually written using kana alone  noun  noun (generic) 

• screech owl (Otus asio)

usually written using kana alone  noun  noun (generic) 

• Japanese scops-owl (Otus semitorques)

usually written using kana alone  noun  noun (generic) 

• Weigela hortensis (species of deciduous shrub in the honeysuckle family)

rare term  usually written using kana alone  noun  noun (generic) 

• citron (Citrus medica)

usually written using kana alone  noun  noun (generic) 

• buchi salamander (Hynobius naevius)

usually written using kana alone  noun  noun (generic) 

• African buffalo (Syncerus caffer), Cape buffalo

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

• fat greenling (Hexagrammos otakii)
• salamander

usually written using kana alone  noun  noun (generic) 

• (as used in Northern Japan) greenling
• (as used in Kochi and surrounds) medaka ricefish

usually written using kana alone  noun  noun (generic) 

• Chamisso's lousewort (Pedicularis chamissonis var. japonica)