different between vaniloquence vs vaniloquent

English

From Latin vanus (“vain”) + loquentia (“talk”).

vaniloquence (uncountable)

Idle or vain talk.
- 1850, George Field, The analogy of logic, and logic of analogy, London: David Bogue, page 140 [1]:
  In philosophy, however, it is to be deplored that eloquence too commonly passes for science, being mistaken for logical acquirement; but truth alone is the just eloquence of philosophy, and without it the finest composition is, to the logician, but babbling and vaniloquence.

From Latin vaniloquens

vaniloquent (comparative more vaniloquent, superlative most vaniloquent)

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