indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 sky;  air;  ether;  firmament;  the heavens
 indicates possessive;  nominalizes verbs and adjectives;  substitutes for "ga" in subordinate phrases;  (at sentence-end, falling tone) indicates a confident conclusion;  (at sentence-end) indicates emotional emphasis;  (at sentence-end, rising tone) indicates question
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to attack;  to assail;  to succeed (someone in a post, role, etc.);  to make a sudden visit
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 eye;  eyeball;  eyesight;  sight;  look;  stare;  notice
 demon;  devil;  evil spirit;  -crazed person;  -obsessed person;  fiend
 to throw down;  to bring down;  to kill;  to defeat;  to overthrow;  to trip up
 to revive;  to come to oneself;  to be restored to life
 good;  advantage;  sake;  purpose;  consequence;  result
 Kamen Rider (TV series, the titular character)
 hero;  heroine;  Eroica Symphony (Beethoven, 1804);  Heroic Polonaise (Chopin)
 indicates direct object of action;  indicates subject of causative expression;  indicates an area traversed;  indicates time (period) over which action takes place;  indicates point of departure or separation of action;  indicates object of desire, like, hate, etc.
 to collect;  to assemble;  to gather
 siblings;  brothers and sisters;  brothers;  siblings-in-law;  brothers-in-law;  mate
 event;  affair;  incident;  case;  plot;  trouble
 at;  in;  at;  when;  by;  with;  and then
 truth;  reality;  proper;  right;  genuine;  authentic
 enjoyable;  fun;  pleasant;  happy;  delightful
 indicates word or phrase being defined;  used for quoting (thoughts, speech, etc.);  with;  (not) as much as;  (not) so much as;  the fact that
 something;  some;  somehow;  for some reason;  (is there) something (you want, etc.)
 answer;  reply;  response;  answer;  solution;  result
 to discover;  to find (e.g. an error in a book);  to locate;  to find (e.g. something missing);  to be used to seeing;  to be familiar with
 to leave (behind);  to leave (undone);  to not finish;  to save;  to set aside;  to leave (to someone, esp. after one's death)
 time;  hour;  period;  class
 behind;  rear;  after;  later;  remainder;  the rest;  more (e.g. five more minutes)
 twenty-fifth day of the month;  twenty-five days
 observation;  survey;  watching
 start;  commencement;  beginning;  initiation
 indicates a question;  or;  whether or not;  some- (e.g. something, someone);  hmm;  huh;  very
 metamorphosis;  disguise;  transformation;  shapeshifting;  morphing
 imperial coronation crown;  celestial crown;  crown worn by Buddha and celestial beings
 readiness;  preparedness;  resolution;  resignation
 ceremony;  matter;  affair;  with regard to;  as for
 elimination;  erasure;  clearing;  elimination (of variables)
 truth;  reality;  sincerity;  honesty; (arch.)  that's right