List: out-dated or obsolete kana usage

popular  gikun or jukujikun  obsolete reading  noun  noun (generic) 

• phosphorescent light, mysterious lights on the sea, sea fire
• shiranui (Citrus reticulata Shiranui), shiranuhi, sumo citrus, sumo mandarin

popular  obsolete reading  noun  noun (generic) 

• thundercloud

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

• beggar
• begging

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

• spider

popular  obsolete reading  noun  noun (generic)  abbreviation 

• conduct, behaviour
• movements, gesture, one's carriage
• performance (on stage, etc.), dance, acting
• dance (in kabuki), dance play

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

• outrider (person riding horseback in the lead position of a cavalcade), outriding
• harbinger, herald, precursor, forerunner, foretoken
• anticipation

popular  obsolete reading  noun  noun (generic) 

• wooden sword

popular  obsolete reading  noun  noun (generic) 

• buck (male deer)

popular  obsolete reading  JLPT N2  grammar  noun  noun (generic) 

• noun

popular  obsolete reading  search-only kanji form  JLPT N2  godan verb  godan verb (archaic)  verb (generic)  intransitive verb 

• to stop (in one's tracks), to come to a stop, to halt, to pause, to stand still