Pandemonium (N): wild and noisy disorder or confusion; uproar. , mayhem, havoc

Pandemic (adj) widespread, prevalent, pervasive.

Epidemic (adj): outbreak, plague, scourge, infestation

Endemic (adj): an endemic plant or animal.

Panegyric (n): eulogy, accolade,

Pantisocracy (n): a form of Utopian social organization