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

龜の子[kamenoko] young turtle (tortoise)
龜の手[kamenote] barnacle
龜鑑[kikan] pattern
龜甲[kikou] tortoise shell

龜裂[kiretsu] crack
龜卜[kameura] tortoise-shell divination
龜の甲[kamenokou] tortoise shell
龜虫[kamemushi] shield bug