List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• nymphalid (any butterfly of family Nymphalidae)

usually written using kana alone  noun  noun (generic) 

• Asian comma butterfly (Polygonia c-aureum)

usually written using kana alone  noun  noun (generic) 

• blue admiral (species of nymphalid butterfly, Kaniska canace)

usually written using kana alone  noun  noun (generic) 

• soldier fly (any fly of family Stratiomyidae, esp. species Stratiomys japonica)

usually written using kana alone  noun  noun (generic) 

• stickleback (Gasterosteidae spp.)

usually written using kana alone  noun  noun (generic) 

• Amur stickleback (Pungitius sinensis)

usually written using kana alone  noun  noun (generic) 

• Gasterosteus microcephalus (species of stickleback)

usually written using kana alone  noun  noun (generic) 

• blotched snakehead (Channa maculata)

usually written using kana alone  noun  noun (generic) 

• sevenband grouper (species of fish, Epinephelus septemfasciatus), convict grouper

usually written using kana alone  noun  noun (generic) 

• blacktip grouper (species of fish, Epinephelus fasciatus)