N5
どの
Definition
form of address used for official letters and business letters, and in letters to inferiors, Mr.
N4
よごれる
Definition
to get dirty, to become dirty, to become sullied, to become corrupted, to lose one's chastity
N3
そそぐ
Definition
to pour (into), to fill, to sprinkle on from above, to shed (e.g. tears), to concentrate one's spirit (strength, attention) on, to fall onto (of rain, snow)
N2
つうよう
Definition
popular use, circulation, to pass as
N1
こつ、コツ
Definition
knack, skill, trick, secret, know-how, the ropes, hang