List: word usually written using kana alone

usually written using kana alone  noun  noun (generic)  abbreviation 

• boasting, bragging, big talk
• conch (esp. Charonia tritonis), trumpet shell

usually written using kana alone  noun  noun (generic) 

• moonlight mushroom (Omphalotus guepiniformis)

usually written using kana alone  noun  noun (generic) 

• Asian black bear (Selenarctos thibetanus), moon bear

usually written using kana alone  noun  noun (generic) 

• Oriental pratincole (Glareola maldivarum), eastern collared pratincole, large Indian pratincole, swallow-plover

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

• bark beetle (Scolytidae spp.)
• gribble (Limnoria lignorum), grain borer, wood borer

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

• chocolate-vine (Akebia quinata), fiveleaf akebia, akebi
• fruit of the akebia

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

• doll, puppet
• blockhead, idiot, useless person, good-for-nothing

usually written using kana alone  noun  noun (generic) 

• Eurasian scops owl (Otus scops)

usually written using kana alone  noun  noun (generic) 

• Hedera rhombea (species of ivy)

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

• echo, reverberation
• spirit of a tree, tree spirit