What is the Latin word for coessential?

The usual Latin words for “coessential” are cōnsubstantiālis, aequālis. The right choice depends on the sense; see the distinctions below.

English → Latin

“coessential” in Latin

cōnsubstantiālisconsubstantial aequālisequal, like; comparable, contemporary; coeval, coexistent

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

coessential

consubstantialis (Scriptores Ecclesiastici, Tert., Aug.): aequalis: par et aequalis: ex nulla parte dissimilis (Aug.). The Son is coessential with the Father, *eadem Patris et Filii est natura.

Quick answer

What is the Latin word for coessential?: The usual Latin words for “coessential” are cōnsubstantiālis, aequālis. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.