List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• Japanese thrush (Turdus cardis)

usually written using kana alone  noun  noun (generic) 

• eastern reef heron (Egretta sacra), Pacific reef heron

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

• swallowtail butterfly (esp. the citrus swallowtail butterfly, Papilio xuthus)

historical term  noun  noun (generic)  sumo  abbreviation  usually written using kana alone 

• ancient boys' hairstyle with a part down the middle and a loop above each ear
• Meiji-period women's hairstyle with hair twisted into a knot on top of the head and held in place with a pin
• type of dance in kabuki
• knots in colour of four cardinal points hanging from the roof above the ring
• constricted tagelus (Sinonovacula constricta), Chinese razor clam

usually written using kana alone  adverb 

• all the more

rarely used kanji form  usually written using kana alone  adverb 

• all the more

usually written using kana alone  noun  noun (generic) 

• castor oil plant (Ricinus communis), castor oil bean

usually written using kana alone  noun  noun (generic) 

• Indian millet

usually written using kana alone  noun  noun (generic) 

• spruce tree (esp. Picea jezoensis hondoensis, a variety of Ezo spruce)

rarely used kanji form  usually written using kana alone  onomatopoeic or mimetic word  adverb 

• quietly, calmly, comfortably, peacefully