List: out-dated or obsolete kana usage

obsolete reading  irregular kanji usage  poetical term  noun  noun (generic) 

• silver
• silver coin
• silver (color)

obsolete reading  dated term  colloquial  noun  noun (generic) 

• thief, robber

gikun or jukujikun  obsolete reading  poetical term  usually written using kana alone  adverb 

• for the whole day, all day

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

• fence (around a shrine, imperial palace, sacred area, etc.)

gikun or jukujikun  obsolete reading  formal or literary term  noun taking the genitive case particle の  adjective (generic)  noun  noun (generic)  adverb  archaic 

• some, few, a number of, a little (bit)
• somewhat, to a certain extent, a bit
• many, a lot

obsolete reading  search-only kanji form  honorific language  formal or literary term  noun  noun (generic) 

• daughter of a person of high rank

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

• horned owl (any owl with horn-like ear tufts)

obsolete reading  search-only kana form  onomatopoeic or mimetic word  adverb 

• suddenly (stick out, appear, extend, etc.), abruptly (protrude), unexpectedly