Published versions of the Word "Piscataqua"
Ralph May identified over 30 spelling variations listed in early writing. Here are the ones included in his essay:

Pascattaway

Pascataquack

Pescataway

Pascaquake

Pascattaquacke

Pischataqua

Paskatoquack

Piscataquake

Pischataq

Pischaqua

Pascataque

Passataquacke

Passataway

Piscataway

Paskataway

Piscattowa

Pescataway

Pascatoquack

Pascaquacke

From: Ralph May, "Piscataqua: The Correctness of Use and the Meaning of the Word," lithographed by the Randall Press, Portsmouth, NH, 1966, 20 pages and from his book Early Portsmouth History, CE Goopspeed & Co, Boston, 1926, Chapter 3.