There are many existencies in the universe.

Many species of animals exist in the rainforest.

The company is existing in a highly competitive market.

There is an existing problem that needs to be addressed.

The opportunity exists for us to make a difference.

The document contained several existant errors.

The existance of aliens is still a topic of debate.

The theory suggests that multiple universes may be existable.

The concept of a perfect world is existible in philosophy.

The existability of aliens is still a topic of debate among scientists.