We don't have synonyms for paracosm yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are parados, paracone and paracord.
"<<There, on the soft sand, a few feet away from our elders, we would sprawl all morning, in a petrified paroxysm of desire, and take advantage of every blessed quirk in space and time to touch each other [...] >> - Vladimir Nabokov, Lolita, 1955"
"<<There, on the soft sand, a few feet away from our elders, we would sprawl all morning, in a petrified paroxysm of desire, and take advantage of every blessed quirk in space and time to touch each other [...] >> - Vladimir Nabokov, Lolita, 1955"