List: out-dated or obsolete kana usage

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

• hinoki cypress (Chamaecyparis obtusa), Japanese cypress

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

• noshi, long thin strip of dried abalone in folded patterned paper, attached to a gift

obsolete reading  obsolete kanji  noun  noun (generic)  noun or participle taking the aux. verb する 

• notice, notification

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

• louse (esp. a sucking louse), lice

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

• bat (Chiroptera spp.)
• umbrella
• opportunist, turncoat

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

• toad (esp. the Japanese toad, Bufo japonicus)

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

• fundoshi, loincloth, traditional Japanese men's undergarment made from a length of cotton
• kimono underskirt
• wrestler's ornamental apron

popular  obsolete reading  rarely used kanji form  JLPT N2  usually written using kana alone  food, cooking  noun  noun (generic) 

• udon, thick Japanese wheat noodles

popular  obsolete reading  noun  noun (generic)  な adjective  adjective (generic) 

• talkativeness, garrulity, loquacity

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

• any bird of family Motacillidae (excluding the pipits), wagtail, longclaw