N5
きる
Definition
to wear (in modern Japanese, from the shoulders down), to put on, to bear (guilt, etc.)
N4
ことり
Definition
small bird, songbird, birdie, dickeybird, dickybird
N3
おせん
Definition
pollution, contamination
N2
おととい、おとつい、いっさくじつ
Definition
day before yesterday
N1
いっぱい
Definition
one defeat