instancy
1. [ noun ] the quickness of action or occurrence
Synonyms: immediacy instantaneousness immediateness
Examples:

"the immediacy of their response" "the instancy of modern communication"

Related terms: celerity
2. [ noun ] urgently demanding attention
Synonyms: insistence insistency imperativeness
Examples:

"the insistence of their hunger" "he pressed his demand with considerable instancy"

Related terms: urgency importune
Similar spelling:   instance
  instantly
  instant
  inkstand
  instigant
  instar
  instal
  inmost
  instead
  install
  in-situ
  in_situ
  instantiate
  incitation
  instinct
  inositol