Denshi Jisho — Online Japanese dictionary

ふる 1: used item; secondhand item;
2: (Noun prefix) old; used; previous
Noun 
こご obsolete word; old proverb; ancient (Japanese) language
Common word, Noun 
こし used paper; paper for recycling
Common word, Noun 
こと ancient city; former capital
Common word, Noun 
こい ancient ways; the feelings of the ancients
Noun 
こか old song; old poem
Noun 
こが ancient painting
Noun 
こが classical elegance; antiquity
Na-adjective, Noun 
こき an antique
Noun 
こき seventieth birthday; 70th birthday
Noun 
こき seventieth birthday; 70th birthday
Noun 
こき ancient records
Noun 
こぎ ancient rites
Noun 
こぎ old meaning; old interpretation
Noun 
こく ancient expression; old poem
Noun 
こし ancient history
Noun 
こし historic ruins
Noun 
こし old small shrine
Noun 
こし ancient poems
Noun 
こし historic ruins
Noun 
こじ ancient events
Noun 
こじ ancient writing
Noun 
こじ old temple
Noun 
こば horses 4 or more years old (usu. in racing)
Noun 
こロ ancient Rome
Noun, Abbreviation 
ここん ancient and modern times; all ages; past and present
Common word, Noun, No-adjective 
こさん seniority; long service
Common word, Noun, No-adjective 

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