List: word usually written using kana alone

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

• Japanese copperhead (Gloydius blomhoffii), mamushi pit-viper

usually written using kana alone  noun  noun (generic) 

• Galápagos tortoise (Geochelone nigra), Galapagos giant tortoise

usually written using kana alone  noun  noun (generic) 

• great frigatebird (Fregata minor)

usually written using kana alone  noun  noun (generic) 

• black swallower (Chiasmodon niger)

usually written using kana alone  noun  noun (generic) 

• Ceriagrion nipponicum (species of damselfly)

usually written using kana alone  noun  noun (generic) 

• cops and robbers (hide-and-seek game)

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

• dōsa, sizing solution made of alum and glue for treating washi

usually written using kana alone  noun  noun (generic) 

• blue-gray snapper (Aprion virescens), green jobfish

usually written using kana alone  noun  noun (generic) 

• Scarus ovifrons (species of parrotfish)

usually written using kana alone  noun  noun (generic) 

• red tonguesole (Cynoglossus joyneri)