Adjectives that collocate with EMERGENCY (by collocation rank)
medical (86), federal (74), national (70), local (69), unexpected (55), real (54), international (54), military (53), major (49), psychiatric (47), current (46), environmental (46), SOS (45), extreme (44), nearest (44), sudden (43), following (42), potential (41), small (40), common (40), serious (38), way (38), next (36), designated (30), significant (23), overall (22), frequent (19), smaller (16), alternate (13).