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)

Tsukuba Space Center

University of Tsukuba Library

Chikushi Jogakuen University

Tsukuba University Library digitized Information Public Service; TULIPS

Tsukuba University Hospital

National University Corporation Tsukuba University of Technology; NTUT

Tsukuba Gakuin University

Chikuzen (former province located in the west of present-day Fukuoka Prefecture)

ruddy shelduck (Tadorna ferruginea); ruddy sheldrake