古代

N1 考古学 koukogaku archeology N1 代る代る kawarugawaru alternately N1 世代 sedai generation N1 先代 sendai family predecessor, previous age, previous generation N1 代弁 daiben speak for another N1 代用 daiyou substitution N2 お代わり okawari second helping, another cup N2 稽古 keiko practice, training, study N2 交代 koutai alternation, change, relief, relay, shift, substitution (sports, etc.), taking turns

N4 古 ko / furu.i, furu-, -furu.su old, vieux, viejo N4 代 dai, tai / ka.waru, kawa.ru, kawa.ri, ka.wari, -gawa.ri, -ga.wari, ka.eru, yo, shiro substitute, change, convert