List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• sei whale (Balaenoptera borealis)

usually written using kana alone  adverb 

• much more, not to mention, not to speak of, to say nothing of, let alone

usually written using kana alone  noun  noun (generic) 

• fennel (Foeniculum vulgare)

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

• bad, wrong, evil, no good, wicked, reprehensible

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

• antlion (esp. species Hagenomyia micans)

irregular kanji usage  usually written using kana alone  adverb 

• piled up high, in a heap

usually written using kana alone  noun  noun (generic) 

• Eurasian bullfinch (Pyrrhula pyrrhula), Japanese bullfinch

usually written using kana alone  noun  noun (generic) 

• doing for fun, play

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

• short pillar set on a beam to support a ridgepole
• mud wall with raised roof edge (as a fire wall and status symbol), raised roof edge

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

• backward pivot throw, technique of leaning back and carrying one's opponent round and out of the ring
• turning the tables (on someone) at the last moment, last-minute reversal of fortunes