N5
いる
Definition
to be (of animate objects), to exist, to stay, (after the -te form of a verb) verb indicating continuing action or state (i.e. to be ..ing, to have been ..ing)
N4
しゅうかん
Definition
habit, custom, cultural practice
N3
ふし
Definition
joint, knuckle, tune, melody, knot (in wood), node in a bamboo stem, part, notable characteristic
N2
ビタミン、ヴィタミン、バイタミン
Definition
vitamin
N1
しゅつえん
Definition
performance, stage appearance, to act (in a play)