List: word usually written using kana alone

search-only kanji form  usually written using kana alone  noun taking the genitive case particle の  adjective (generic)  noun  noun (generic) 

• how long since the last time

usually written using kana alone  noun  noun (generic) 

• Japanese nightingale (Leiothrix lutea), Peking robin, red-billed leiothrix

usually written using kana alone  noun  noun (generic) 

• bluebeard (Caryopteris incana), blue spiraea

search-only kanji form  usually written using kana alone  noun  noun (generic) 

• Nippon bells (Shortia uniflora)

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

• colossal squid (Mesonychoteuthis hamiltoni)

usually written using kana alone  noun  noun (generic) 

• smalleye pygmy shark (Squaliolus aliae)

usually written using kana alone  noun  noun (generic) 

• common house gecko (Hemidactylus frenatus), Asian house gecko

usually written using kana alone  noun  noun (generic) 

• olive ridley sea turtle (Lepidochelys olivacea), Pacific ridley sea turtle, bastard turtle

usually written using kana alone  noun  noun (generic) 

• Ryukyu black-breasted leaf turtle (Geoemyda japonica), Ryukyu leaf turtle

usually written using kana alone  noun  noun (generic) 

• yellow pond turtle (Mauremys mutica)