"Dissociate" is recommended by a number of commentators on the ground that it is shorter, which it is by a grand total of two letters-not the firmest ground for an endorsement. Both words are in current good use, but "disassociate" is used more often in the U.S.

What does it mean when you disassociate?

Dissociation is a break in how your mind handles information. You may feel disconnected from your thoughts, feelings, memories, and surroundings. It can affect your sense of identity and your perception of time. The symptoms often go away on their own. It may take hours, days, or weeks.

What is difference between dissociation and dissociation?

If you dissociate you might have symptoms such as not feeling connected to your own body or developing different identities. Dissociative disorder is a mental illness that affects the way you think. You may have the symptoms of dissociation, without having a dissociative disorder.