is something that;  is that which
 tough;  strong;  stiff;  tenacious
 will;  volition;  intention;  intent;  determination
 training;  drill;  practice;  practising;  discipline
 to pile up;  to stack;  to load (car, ship, etc.);  to pack;  to acquire;  to accumulate
 to continue;  to keep up;  to keep on
 in front (of);  before (e.g. a building);  before;  earlier;  (the) front;  frontal part;  forward
 to make an appearance;  to show up
 normally;  ordinarily;  by anyone's standards;  by normal standards;  without any issues;  without any difficulty
 to fold up;  to fold into layers
 (following a verb) to be sure to;  to do (something) so that ...;  to make sure to;  to try to
 learning;  acquisition (of a skill, knowledge, etc.)
 difficult;  hard;  impossible;  unfeasible;  fussy;  particular;  gloomy
 above;  up;  top;  summit;  surface;  before;  previous
 to take (a resource, e.g. time or money);  to hang;  to come into view;  to arrive;  to come under (a contract, a tax);  to start (engines, motors);  to attend
 burden;  load;  responsibility;  bearing (a cost, responsibility, etc.);  shouldering
 law;  act;  method;  mood;  dharma;  law
 defenseless;  defenceless;  unprotected;  vulnerable
 state;  condition;  situation;  appearance;  circumstances
 to fall into (e.g. a hole);  to fall into (chaos, depression, dilemma, illness, etc.);  to fall into (a trap, etc.);  to fall;  to surrender
 that;  the matter in question
 enough;  sufficient;  plenty;  sufficiently;  fully;  thoroughly
 beforehand;  in advance;  previously
 how many people;  a number of people
 assistance;  support;  subsidy;  supplement;  auxiliary;  subsidiary
 role;  assignment;  position (of responsibility);  post;  part (in a play, film, etc.);  role
 to stuff into;  to jam;  to shorten;  to move closer together;  to reduce (spending);  to conserve;  to focus intently on
 and yet;  despite this;  but even so;  but even then;  however;  nevertheless
 figure;  form;  appearance;  dress;  state;  condition
 something;  some;  somehow;  for some reason;  (is there) something (you want, etc.)
 conviction;  belief;  confidence
 time;  hour;  occasion;  case;  chance;  opportunity
 heavy;  weighty;  heavy (feeling);  depressed;  slow;  sluggish;  important (position, responsibility, etc.)
 door;  gate;  opening;  title page
 creak;  squeak;  creaking;  discord;  strife;  friction
 humour;  humor;  safety;  health;  in a good mood;  in high spirits
 beautiful;  lovely;  heartwarming;  beautiful
 Mr.;  Mrs.;  makes a word more polite (usu. in fixed expressions);  state;  situation