筑 - an ancient musical instrument

catnip (Nepeta cataria); catmint

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)

ruddy shelduck (Tadorna ferruginea); ruddy sheldrake

common shelduck (Tadorna tadorna)

Tsukushi rhododendron (Rhododendron metternichii var.)

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

Tsukuba Gakuin University

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

Tsukushi-goto (earliest school of solo koto music); Tsukushi school

Junior and Senior High School at Otsuka, University of Tsukuba (abbr)