from Α (as a negative particle) and νοιέω; not to know (through lack of information or intelligence); by implication, to ignore (through disinclination):--(be) ignorant(-ly), not know, not understand, unknown.
from ῥέω; an utterance (individually, collectively or specially),; by implication, a matter or topic (especially of narration, command or dispute); with a negative naught whatever:--+ evil, + nothing, saying, word.