• 古いにしえ

  antiquity, ancient times, bygone days, former times

• 古城こじょう

  old castle, old fortress

• 古巣ふるす

  old haunts, former homes

• 古参こさん

  senior, veteran, old-timer

• 古紙こし

  used paper, paper for recycling

• 古都こと

  ancient city, former capital

• 古着ふるぎ

  old clothes, secondhand clothing

• 古典こてん

  classic (work, esp. book), the classics

• 古風こふう

  old-fashioned, archaic, antique, antiquated

• 古代こだい

  ancient times, distant past, antiquity

• 古墳こふん

  ancient burial mound, barrow, tumulus

• 古来こらい

  from ancient times, from old times, from time immemorial

• 古書こしょ

  old book, rare book, classic

• 古今ここん

  ancient and modern times, all ages, past and present

• 古本ふるほん

  secondhand book

• 古語こご

  archaic word, obsolete word, archaism

• 古文こぶん

  ancient writing (Edo-period or older), classical literature

• 古いふるい

  old, aged, ancient, antiquated, antique, timeworn

• 稽古けいこ

  practice, practising, training, study

• 中古ちゅうこ

  used, second-hand, old

• 太古たいこ

  ancient times, prehistoric times

• 最古さいこ

  the oldest, the earliest

• 古加涅コカイン

  cocaine

• 古典的こてんてき

  classical, classic

• 古本屋ふるほんや

  secondhand bookshop, secondhand bookstore, secondhand bookseller

• 古臭いふるくさい

  stale, old fashioned, hackneyed, trite, antiquated, obsolete, musty, outdated

• 古文書こもんじょ

  historical document, archives, old manuscript, paleograph

• 名古屋なごや

  Nagoya (city)

• 土耳古トルコ

  Turkey, Türkiye

• 中古車ちゅうこしゃ

  used car, secondhand car

• 考古学こうこがく

  archaeology, archeology

• 履き古しはきふるし

  worn-out shoes, worn-out socks

• 古ふる

  used item, secondhand item

• 古きふるき

  old, olden

• 古銭こせん

  old coin

• 古寺こじ

  old temple

• 古木こぼく

  old tree

• 古刀ことう

  old sword

• 古期こき

  old, ancient

• 古方こほう

  old method

• 古町こちょう

  old town

• 古俗こぞく

  old custom

• 古儀こぎ

  ancient rites

• 古詩こし

  ancient poems

• 古布こふ

  recycled cloth

• 古聖こせい

  ancient sage

• 古賢こけん

  ancient sage

• 古曲こきょく

  old music

• 古すふるす

  to wear out

• 古廟こびょう

  old shrine