Perniciousness
Word Structure
WordHub has a local lexical record for “Perniciousness” with pronunciation and root analysis.
per-
through, throughout, thoroughly, completely
Forms: per
nic
to kill
Forms: nec, nic
-ious
having the qualities of, full of
Forms: ous, eous, ious
-ness
forming an abstract noun that denoting action, quality, or state
Forms: ness, esse, ice