S: (n) decay (an inferior state resulting from the process of decaying) "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair"
W: (v) disintegrate [Related to: disintegration] (break into parts or components or lose cohesion or unity) "The material disintegrated"; "the group disintegrated after the leader died"
S: (n) disintegration (a loss (or serious disruption) of organization in some system) "a disintegration of personality"
S: (n) process, physical process (a sustained phenomenon or one marked by gradual changes through a series of states) "events now in process"; "the process of calcification begins later for boys than for girls"
S: (n) decay, radioactive decay, disintegration (the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation)
S: (n) annihilation, disintegration (total destruction) "bomb tests resulted in the annihilation of the atoll"