筑 - an ancient musical instrument

Tsukushi (former province located in northern Kyūshū; later split into Chikuzen and Chikugo)

catnip (Nepeta cataria); catmint

Chikugo (former province located in the south of present-day Fukuoka Prefecture)

Nichiku (the two former provinces of Chikuzen and Chikugo)

Ryōchiku (the two former provinces of Chikuzen and Chikugo)

Chikushū (the two former provinces of Chikuzen and Chikugo)

zhu (ancient Chinese string instrument)

Tsukuba Space Center

University of Tsukuba Library

Chikushi Jogakuen University

Tsukuba University Library digitized Information Public Service; TULIPS

Tsukuba University Hospital