Parenthetic is a derived term of parenthetical.
As adjectives the difference between parenthetical and parenthetic
is that parenthetical is using, containing, or within parentheses (like this while parenthetic is of, pertaining to, or as if using parentheses.
As a noun parenthetical
is a word or phrase within parentheses.
parenthetical
English
Adjective
(-)
using, containing, or within parentheses (like this)
that explains or qualifies something
that is incidental
Noun
(
en noun)
a word or phrase within parentheses
parenthetic
English
Adjective
(
en adjective)
Of, pertaining to, or as if using parentheses
(of speech) That digresses; discursive or rambling