Disruption; a separation and dispersion of the parts or members; break-up
When two people end a romantic relationships breakup occurs.

Separation between spirit and body; disconnection from the body

Separation; scattering.

The act or result of dispersing or scattering; dispersion.
Phase of reproduction during which gametes, eggs, seeds, or offspring move away from the parents into other areas. The result is that overcrowding is avoided and parents do not find themselves in competition with their own offspring. The mechanisms are various, including a reliance on wind or water currents and, in the case of animals, locomotion. The ability of a species to spread widely through an area and to colonize new habitats has survival value in evolution.

ETYM Cf. French dispersion.
1. Driving off or spreading widely; SYN. scattering.
2. The act of dispersing something; SYN. dispersal, dissemination.

ETYM Latin dissipatio: cf. French dissipation.
Breaking up and scattering by dispersion.