List: word usually written using kana alone

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

gairaigo  Russian origin  popular  ateji  rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• Russia

usually written using kana alone  noun  noun (generic) 

• Asiatic dayflower (Commelina communis)

usually written using kana alone  noun  noun (generic) 

• folly, fool

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

• empty threat, bluff, paper tiger

irregular okurigana  usually written using kana alone  noun  noun (generic) 

• drainboard, floor grates, duckboard, slatted wood (e.g. used as a base for storing futons inside a cupboard)

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

• budgerigar (Melopsittacus undulatus), common pet parakeet, shell parakeet, budgie

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

• very strange, odd, queer