List: word usually written using kana alone

usually written using kana alone  colloquial  noun  noun (generic) 

• cooked rice
• food, meal

usually written using kana alone  noun  noun (generic) 

• potbellied sumo wrestler, wrestler with a big belly
• goosefish (any fish of family Lophiidae), monkfish, sea devil

usually written using kana alone  noun  noun (generic) 

• very edge, far border

usually written using kana alone  expression  Ichidan verb  verb (generic) 

• can be, can exist, can stay
• cannot help but ...

usually written using kana alone  noun  noun (generic) 

• yellow-bellied sea snake (Pelamis platura), yellowbelly sea snake, pelagic sea snake

rarely used kanji form  usually written using kana alone  expression 

• to date, as of now

usually written using kana alone  noun  noun (generic) 

• Bothrogonia ferruginea (species of leafhopper)

usually written using kana alone  expression  noun or verb acting prenominally  adjective (generic) 

• said, aforementioned

usually written using kana alone  archaic  adverb 

• earnestly, intently, determinedly, by all means
• ... the heck (e.g. "what the heck?"), ... in the world (e.g. "why in the world?"), ... on earth (e.g. "who on earth?")

usually written using kana alone  archaic  adverb 

• no matter what, anyhow, in any case, at any rate, in any event, anyway