what;  how many;  many;  a lot of;  several;  a few
 meaning;  significance;  sense
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 structure;  construction;  makeup;  framework;  organization;  pattern
 such things as ...;  and ... and;  the minute (that) ...;  no sooner than ...;  be;  is;  o
 nature;  property;  disposition
 thing;  object;  one's things;  possessions;  things;  something;  quality
 indicates word or phrase being defined;  used for quoting (thoughts, speech, etc.);  with;  (not) as much as;  (not) so much as;  the fact that
 to differ (from);  to vary;  to not be in the usual condition;  to not match the correct (answer, etc.);  to be different from promised;  isn't it?
 to descend (e.g. a mountain);  to go down;  to alight (e.g. from bus);  to get off;  to step down;  to retire;  to be granted
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 theory;  doctrine;  opinion;  view;  rumour;  rumor
 influential;  prominent;  strong;  likely;  plausible
 circle;  "correct";  "good";  *;  _;  period
 outbreak;  spring forth;  generation (e.g. of power or heat);  genesis;  ontogeny;  development of complex multicellular structures from cell(s) in a simple state
 infection route;  source of infection
 together;  jointly;  at the same time;  with;  both
 unclear;  obscure;  unknown;  unidentified;  ignorance;  lack of wisdom
 class;  order;  et cetera;  etc.;  equal;  iso-
 symptoms;  condition (of a patient)
 man;  male;  masculine gender
 circle;  "correct";  "good";  *;  _;  period
 outbreak of an illness;  onset of an illness;  appearance of symptoms
 third day of the month;  three days
 within;  inside of;  less than
 death;  mortality;  to die;  to pass away
 not less than;  ... and over;  beyond (e.g. one's expectations);  above;  above-mentioned;  aforementioned
 that year;  same year;  same age
 March;  third month of the lunar calendar
 first day of the month; (arch.)  first ten days of the lunar month
 preservation of health;  hygiene;  sanitation
 mechanism;  organization;  organisation
 worldwide;  global;  international;  world-famous;  world-class
 big craze;  boom;  popular trend;  widespread contagion;  large outbreak
 declaration;  proclamation;  announcement
 countries all over the world;  all the countries of the world
 isolation;  segregation;  separation;  quarantine
 execution (e.g. of a plan);  carrying out;  practice;  action;  implementation;  fulfillment