List: out-dated or obsolete kana usage

popular  obsolete reading  usually written using kana alone  godan verb  godan verb (archaic)  verb (generic)  intransitive verb 

• to flash (e.g. lightning), to flicker, to glitter, to sparkle, to gleam
• to flutter (e.g. flag), to wave, to undulate
• to flash into one's mind (e.g. an idea), to come to one suddenly

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

• (short) curtain hung at shop entrance, split curtain used to divide spaces in a house
• reputation (of a store), good name, credit
• goodwill

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

• top, summit, apex, peak
• twelve o'clock (usu. midnight)
• top of one's head, top of a helmet, (top of) scalp, crown

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

• careless, sloppy, faulty
• using unreliable sources (in a piece of writing), piece of writing with unreliable sources or many errors

popular  obsolete reading  JLPT N4  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  な adjective  noun (suffix) 

• distinction, difference, discrimination
• separate, different, another, extra
• exception, exclusion
• classified by, ranked by, according to

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

• shin, shank, lower leg

popular  obsolete reading  JLPT N2  godan verb  godan verb (archaic)  verb (generic)  intransitive verb 

• to incline toward, to slant, to lurch, to heel over, to be disposed to, to trend toward, to be prone to
• to go down (sun, moon), to sink
• to decline, to wane, to ebb, to fall away
• to tend (towards), to be inclined (to), to come around to (opinion, etc.)

popular  obsolete reading  astronomy  noun  noun (generic) 

• Milky Way, luminous band corresponding to the plane of the galaxy

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

• pumpkin (Cucurbita sp.), squash

popular  obsolete reading  JLPT N1  noun  noun (generic) 

• face
• surface
• mask (esp. a noh or kyogen mask)