つづみ
hand drum
Common word
Noun
鼓つづみには、四し種類しゅるいの音おとがあります：ポ、プ、タ、チ。ポとプの音色ねいろはよく似にてるけど、微妙びみょうに違ちがいます。
There are four types of sounds on the Japanese hand drum: Po, Pu, Ta, Chi. Po and Pu have very similar tones, but are subtly different.