necessary;  needed;  essential;  necessity;  need;  requirement
 comprehension;  consent;  understanding;  OK;  roger (on two-way radio)
 immediately;  right away;  at once;  instantly
 victory or defeat;  issue (of battle);  outcome
 to hang up (e.g. a coat, a picture on the wall);  to let hang;  to put on (e.g. a blanket);  to put on top of;  to put on (glasses, etc.);  to wear (a necklace, etc.);  to make (a call)
 as one would expect;  just as you'd expect (from);  still;  all the same;  even ... (e.g. "even a genius")
 just (e.g. "just wait here");  come now;  tolerably;  passably;  well...;  I think...
 hole;  opening;  pit;  hollow;  burrow;  den;  deficit
 reserve;  spare;  preparation;  preliminaries
 should (be);  bound (to be);  nock (of a bow);  nock (of an arrow);  nock-shaped grip (between thumb and forefinger);  wooden frame on the tip of the mast of a Japanese ship that prevents the hawser from falling out
 engineer;  technical expert;  technician;  craftsperson
 call;  summons;  convening;  convocation
 to do;  to undertake;  to send;  to dispatch;  to put;  to move;  to give (esp. to someone of equal or lower status)
 from the start;  from the beginning;  from the outset
 destructive blast;  blowing up;  explosion
 massing (of troops);  gathering
 departure from a port;  leaving port;  setting sail
 careless;  sloppy;  faulty;  using unreliable sources (in a piece of writing);  piece of writing with unreliable sources or many errors
 sailing;  marching;  going out;  dispatch
 avenue;  street;  coming and going;  street traffic;  flow (of water, air, etc.);  transmission (of sound);  reach (e.g. of voice)
 to take out;  to get out;  to put out;  to reveal;  to submit (e.g. thesis);  to turn in;  to publish
 once;  one time;  temporarily;  for a moment;  one degree;  one tone
 to finish;  to end;  to merely result in something less severe than expected;  to feel at ease;  to feel unease or guilt for troubling someone;  to be sorry
 (not) even once;  (not) ever
 combat;  battle;  action;  active service;  actual fighting
 to leave;  to exit;  to leave (on a journey);  to depart;  to move forward;  to come to;  to get to
 crash;  smash;  bang;  sound of a large, heavy object falling
 also;  too;  not ... either;  (it's not possible) no matter what;  although one might wish otherwise
 to bring;  to take (something) along;  to fetch;  to get
 party;  group;  crew;  company (of troops);  corps;  unit
 seeming ...;  appearing ...;  -ish;  like a ...;  typical of ...
 formation (e.g. of aircraft)
 attack;  assault;  raid;  criticism;  censure;  denunciation
 to pull out;  to draw out;  to omit;  to leave out;  to do to the end;  to carry through;  to let out (e.g. air from a tyre)
 battlefield;  battleground
 underground;  below the ground;  world of the dead;  the grave;  underground (activities, movement, etc.);  secret
 given that ... it is only natural that ...;  ... being the case, it is unavoidable that ...;  (precisely) because ...;  contrary to expectations ...
 than;  from;  out of;  except;  but;  more
 private;  non-governmental;  non-official;  folk;  popular
 business;  task;  use;  purpose;  for the use of ...;  used for ...
 war;  fighting;  fierce competition