Substantiation is a related term of corroboration.
As nouns the difference between substantiation and corroboration
is that substantiation is the act of substantiating while corroboration is the act of corroborating, strengthening, or confirming; addition of strength; confirmation; as, the corroboration of an argument, or of information.
substantiation
English
Noun
(
en noun)
The act of substantiating
Something which substantiates; evidence, proof
corroboration
English
Noun
(
en noun)
The act of corroborating, strengthening, or confirming; addition of strength; confirmation; as, the corroboration of an argument, or of information.
That which corroborates.