List: out-dated or obsolete kana usage

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

• beginning one's studies with something familiar and gradually increasing the depth of learning

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

• mono no aware, appreciation of the fleeting nature of beauty, pathos of things, strong aesthetic sense

obsolete reading  search-only kana form  rarely used kanji form  search-only kanji form  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  な adjective 

• fierce look, frightening look, tough look
• aggressive attitude, coercive attitude, taking a hard line

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

• restless, on edge (and unable to concentrate), distracted
• for some reason

obsolete reading  obsolete kanji  noun  noun (generic) 

• teapot-like object made typically of lacquerware and used to pour hot and cold liquids
• basin of water with two handles on either side used for washing one's face or hands

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

• Japanese dock (Rumex japonicus)

obsolete reading  noun  noun (generic) 

• vegetable-based food (incl. nuts, berries, etc., but excl. all meat and fish)

obsolete reading  expression 

• everyone, anyone
• no one

obsolete reading  noun  noun (generic) 

• doe (female deer)

obsolete reading  numeric  noun  noun (generic) 

• 500, five hundred
• many