List: out-dated or obsolete kana usage

popular  obsolete reading  JLPT N2  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  な adjective  noun or participle taking the aux. verb する  intransitive verb 

• unevenness, roughness, ruggedness, bumpiness
• inequality, imbalance, unevenness, difference

popular  obsolete reading  rarely used kanji form  noun  noun (generic) 

• widow, divorced woman not remarried, unmarried woman

popular  obsolete reading  search-only kanji form  な adjective  adjective (generic)  noun  noun (generic) 

• daring, brave, bold, valiant, intrepid, dauntless

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

• grand, luxurious, lavish, sumptuous
• great, large, big (e.g. storm)
• very, greatly, extremely

popular  obsolete reading  noun  noun (generic) 

• fire, trace of fire, heat of fire
• force of a fire
• cause of a fire (lighter, match, spark, etc.)

popular  obsolete reading  noun  noun (generic) 

• prostitute (esp. Edo period)

popular  obsolete reading  noun  noun (generic) 

• sacred tree
• support pillars of the traditional fire festival bonfires

popular  obsolete reading  JLPT N4  usually written using kana alone  noun  noun (generic) 

• grape, grapevine

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

• undressing, taking off one's clothes, stripping

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

• giant butterbur (Petasites japonicus), Japanese sweet coltsfoot