Emergence :: Emergence (n.) The act of rising out of a fluid, or coming forth from envelopment or concealment, or of rising into view; sudden uprisal or appearance..
Emergency :: Emergency (n.) Sudden or unexpected appearance; an unforeseen occurrence; a sudden occasion.
Emergency :: Emergency (n.) An unforeseen occurrence or combination of circumstances which calls for immediate action or remedy; pressing necessity; exigency.
Emergent :: Emergent (a.) Rising or emerging out of a fluid or anything that covers or conceals; issuing; coming to light.