引裂く[hikisaku] to tear up
核分裂[kakubunretsu] nuclear fission
裂く[saku] to tear
乾裂[kanretsu] cracks in drying lumber
き裂[kiretsu] crack

決裂[ketsuretsu] breakdown
四分五裂[shibungoretsu] torn asunder
支離滅裂[shirimetsuretsu] incoherent
精神分裂症[seishinbunretsushou] schizophrenia
切り細裂く[kirikomazaku] to cut up small

懸鉤子[kiichigo] raspberry (any plant of genus Rubus, esp. Rubus palmatus var. coptophyllus)
鉤括弧[kagikakko] square bracket
釣鉤[tsuribari] fish hook
鉤針[kagibari] hook

手鉤[tekagi] short gaff
鉤十字[kagijuuji] swastika
鉤の手[kaginote] right-angled bend
鉤虫[kouchuu] hookworm