List: word usually written using kana alone

slang  abbreviation  usually written using kana alone  noun taking the genitive case particle の  adjective (generic)  noun  noun (generic) 

• off-topic (on an online thread)

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

• flat and smooth
• unchanging, featureless, expressionless, monotonous
• noppera-bō, humanoid creature with a flat, featureless face

ateji  usually written using kana alone  colloquial  な adjective  adjective (generic)  noun  noun (generic) 

• strange, odd, queer, peculiar, weird

usually written using kana alone  noun  noun (generic) 

• dried young sardines

usually written using kana alone  noun  noun (generic) 

• broadaxe, battle axe

usually written using kana alone  noun  noun (generic)  な adjective  adjective (generic)  noun taking the genitive case particle の 

• jumble, hodgepodge, mishmash, disorderly mixture

usually written using kana alone  noun  noun (generic) 

• numbat (Myrmecobius fasciatus), banded anteater

usually written using kana alone  noun  noun (generic) 

• fruit fly (any insect of family Tephritidae)

usually written using kana alone  noun  noun (generic) 

• Mediterranean fruit fly (Ceratitis capitata), medfly

usually written using kana alone  noun  noun (generic) 

• melon fly (Bactrocera cucurbitae)