first;  foremost;  most important;  best;  greatest;  above all
 step;  stair;  grade;  rank;  counter for breaks in written language (or speech, etc.);  dan
 all;  whole;  entire;  complete (set);  in total
 ignition;  lighting;  firing;  setting off
 connection;  attachment;  changing trains;  conjunction
 to detach;  to decapitate;  to cut loose;  to let loose;  to dismember
 preparation;  arrangements;  getting ready;  provision;  setup;  reserving
 change;  variation;  variety;  diversity;  inflection;  declension
 component;  factor;  item (e.g. in list);  element (e.g. in array);  member (e.g. data structure)
 separation;  partition;  detachment;  segregation;  isolation
 fitting (electrical equipment);  wiring
 system;  lineage;  corollary;  system (range of strata that correspond to a particular time period);  (taxonomical) series
 check;  plaid;  checking;  monitoring;  check (banking);  cheque
 strangeness;  abnormality;  disorder
 auto;  automobile;  automatic;  oat;  oats
 prefix for forming ordinal numbers
 pressure;  stress;  pressure (e.g. political);  coercion;  arm-twisting
 speech;  tongue;  dialect;  brogue;  bento;  Japanese box lunch;  petal
 closing;  closure;  shutdown;  lockout
 reconfirmation;  double check
 action;  conduct;  behaviour;  behavior;  mobilization;  mobilisation
 unit;  (musical) group;  band
 opening (a door, window, etc.);  leaving open;  opening up (e.g. to the public);  allowing (public) access
 disposal;  abandonment;  scrapping;  annulment;  cancellation;  abrogation
 rolling over;  turning over;  turning around (the other way);  reversal (of direction, course, etc.);  producing a positive from a negative (photography);  producing a negative from a positive
 turning round (a ship);  changing course;  veering
 descent;  fall;  drop;  passing down (of an order, decree, etc.)
 measurement error;  calculation error
 amendment;  correction;  revision;  modification;  alteration;  retouching
 recalculation;  recalculate
 reaffirmation;  reconfirmation;  revalidation
 numeral;  figure;  digit;  numeric character
 everything;  all;  the whole;  entirely;  completely;  wholly
 course correction;  trajectory change;  orbital adjustment