List: out-dated or obsolete kana usage

obsolete reading  noun  noun (generic) 

• serenade

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

• boy, child, youth, brat

obsolete reading  noun  noun (generic) 

• drifting cloud, floating cloud
• instability

obsolete reading  irregular okurigana  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• reading (a text) aloud without trying to understand it
• reading a second draft without checking it against the original

obsolete reading  colloquial  noun  noun (generic)  archaic  derogatory 

• bluebottle fly
• little pest

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

• copper pheasant (Syrmaticus soemmerringii)
• mountain bird

obsolete reading  noun  noun (generic) 

• valley, ravine, glen, gorge

obsolete reading  noun  noun (generic) 

• extreme heat

obsolete reading  noun  noun (generic) 

• paper garment

obsolete reading  obsolete term  noun  noun (generic)  historical term 

• Department of Divinities (1868-1871)
• Department of Worship (under the ritsuryō system)