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)
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 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
 Alan (member of an ancient Scythian people)
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to rush on;  to attack;  to swoop down on
 truth;  reality;  sincerity;  honesty; (arch.)  that's right
 (one's) older brother;  young man;  sonny;  lad
 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)
 day of month;  counter for days
 deep sea;  depths of the sea;  ocean depths
 mankind;  the human creature;  fellow creatures
 at;  in;  at;  when;  by;  with;  and then
 to snarl (at each other);  to growl (angrily);  to quarrel;  to fight;  to argue
 enjoyable;  fun;  pleasant;  happy;  delightful
 endorsing and questioning the preceding statement;  lamenting reflections on the preceding statement
 the world;  society;  sphere;  circle;  world-renowned;  world-famous
 dispute;  strife;  quarrel;  dissension;  conflict;  rivalry
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 you said;  he said;  if ... then;  do you seriously think that;  I already told you;  you should know by now that;  the said ...
 thing;  matter;  incident;  occurrence;  circumstances;  situation;  work
 that's the way it is;  yes;  is that so?;  is it?
 indicates a question;  or;  whether or not;  some- (e.g. something, someone);  hmm;  huh;  very