outer space;  void of space
 safety;  security;  safely;  without incident;  good health;  inaction
 behind;  rear;  after;  later;  remainder;  the rest;  more (e.g. five more minutes)
 interior;  inside;  internal
 function;  facility;  faculty;  feature
 question (e.g. on a test);  problem;  problem (e.g. societal, political);  question;  question (i.e. doubt);  public discussion
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 restoration;  repair;  mending
 strangeness;  abnormality;  disorder
 outbreak;  spring forth;  generation (e.g. of power or heat);  genesis;  ontogeny;  development of complex multicellular structures from cell(s) in a simple state
 oxygen deficiency;  oxygen shortage;  lack of oxygen
 other (place, thing, person);  the rest;  outside;  beyond;  nothing except;  nothing but
 what kind of;  what sort of;  what;  no matter what (kind of);  whatever;  any
 to get up;  to rise;  to wake up;  to be awake;  to occur (usu. of unfavourable incidents);  to happen
 in that way;  thus;  so;  so?
 to say;  to utter;  to name;  to call;  to go (e.g. "the alarm went ping");  to make a noise
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 called;  named;  as many as;  as much as;  all ...;  every single ...
 originally;  by nature;  from the start
 itself;  one's own body;  oneself;  originally;  naturally
 worn-out;  ragged;  crumbling;  dry and crumbly;  falling (in drops or clumps);  scattering
 bottom of the ocean;  seafloor;  seabed;  undersea;  submarine
 discovery;  detection;  finding
 ... is the reason;  ... is my excuse
 right?;  isn't it?;  hey;  say;  you know;  you see;  will you?
 rather;  better;  instead;  if anything
 suffix appended to somebody else's family members
 cooperation;  collaboration
 making use of;  application;  practical use;  operation;  handling;  steering (esp. a boat)
 level;  standard;  level (plane);  floor;  spirit level;  (surveyor's) level
 until (a time);  till;  to (a place or person);  as far as;  to (an extent);  up to
 to take;  to carry (something) away;  to bear
 to think;  to consider;  to think (of doing);  to plan (to do);  to judge;  to assess;  to imagine
 hey;  you;  hey;  hey;  hold on;  yo
 place;  spot;  field;  discipline;  occasion;  situation;  scene (of a play, movie, etc.)
 atmosphere;  mood;  a certain air;  presence;  (Earth's) atmosphere
 to get worse;  to deteriorate;  to go from bad to worse;  to spoil (of food);  to go bad;  to perish
 water (esp. cool, fresh water, e.g. drinking water);  fluid (esp. in an animal tissue);  liquid;  flood;  floodwaters;  water offered to wrestlers just prior to a bout
 errand;  mission;  messenger;  bearer;  familiar spirit;  use
 to view the past with nostalgia
 speech;  words;  one's lines;  remarks
 to be in time (for);  to serve (suit, meet) the purpose;  to be good enough;  to be enough