Here are some examples:
* Karyotype: The complete set of chromosomes in a cell, arranged in order of size and shape.
* Karyokinesis: The division of the nucleus of a cell during mitosis or meiosis.
* Karyogamy: The fusion of two nuclei, typically during the fertilization of an egg by a sperm.
* Karyolysis: The disintegration or dissolution of the nucleus of a cell.
These examples illustrate how the root "kary" relates to the nucleus, the central part of a cell that contains the genetic material.