List: word usually written using kana alone

usually written using kana alone  expression 

• of all (things, people, places, days, etc.)

obsolete reading  usually written using kana alone  noun  noun (generic) 

• pit viper (esp. the mamushi, Gloydius blomhoffi)

usually written using kana alone  noun  noun (generic) 

• ringworm (of the body), tinea corporis

usually written using kana alone  noun  noun (generic) 

• euglena (freshwater flagellate)

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

• calf

irregular kanji usage  usually written using kana alone  noun  noun (generic) 

• ragworm, sandworm, clam worm (Hediste)

usually written using kana alone  expression  noun  noun (generic)  archaic 

• hollow at nape of the neck
• toddler's shaved hairstyle leaving a small portion at the nape (esp. Edo period)

usually written using kana alone  noun  noun (generic) 

• greenbottle fly (esp. species Lucilia caesar)

search-only kanji form  usually written using kana alone  food, cooking  noun  noun (generic) 

• salted rice-bran paste for pickling

usually written using kana alone  noun  noun (generic) 

• fruit fly (any insect of family Drosophilidae), vinegar fly, pomace fly, banana fly