List: out-dated or obsolete kana usage

obsolete reading  noun  noun (generic) 

• sacred horse

obsolete reading  noun  noun (generic)  archaic 

• frozen dew
• frost and dew
• years, time

obsolete reading  noun  noun (generic) 

• long snake
• long line (of people, etc.)

obsolete reading  noun  noun (generic) 

• bow with a heavy draw weight, someone who wields a heavy-draw-weight bow

obsolete reading  noun  noun (generic)  Buddhism 

• sage, wise man, wise person, man of wisdom
• buddha, bodhisattva, enlightened priest

obsolete reading  search-only kanji form  noun  noun (generic) 

• resting one's chin in one's hands
• brace (in construction), angle brace

obsolete reading  noun  noun (generic) 

• pus

obsolete reading  noun  noun (generic) 

• bodily build, degree of fleshiness

obsolete reading  Shinto  noun  noun (generic) 

• branch of a sacred tree (esp. sakaki) with paper or cotton strips attached (used as an offering)
• sakaki (species of evergreen sacred to Shinto, Cleyera japonica)

obsolete reading  noun  noun (generic) 

• red face
• villain (in kabuki, jōruri, etc.)