great erudition;  extensive knowledge;  vast stock of knowledge
 chance;  opportunity;  machine;  aircraft;  counter for aircraft;  counter for (remaining) lives
 to leave one's seat;  to temporarily excuse oneself (from a meeting, etc.);  to step outside;  to be away (from one's desk, etc.)
 flight (e.g. airline flight);  trip (e.g. train trip);  mail;  post;  opportunity;  chance
 aim;  object;  expectations;  prospects;  something that can be relied upon;  snack served with alcoholic drink;  pad
 uni-;  single;  unitary;  sole
 authority;  expert;  counter for messages, letters, notes, documents, etc.;  understanding (esp. of male-female relations);  tact;  supernatural powers
 high (e.g. ball in baseball);  highish;  on the expensive side;  comparatively expensive;  wait tile which produces a winning hand with a higher score
 (not) even once;  (not) ever
 construction;  architecture (of buildings)
 concrete;  definite;  specific;  material;  substantial
 viewing as ...;  seeing as ...;  treating as ...;  regarding as ...
 journey;  course;  itinerary;  stroke (of a piston);  throw (of a switch)
 near;  nearby;  not far off
 wherein;  therein;  thereinto
 surface;  face;  outside;  exterior;  appearances;  superficiality
 to cover;  to hide;  to conceal;  to wrap;  to disguise
 lot area;  site area;  plottage;  lot size
 moat;  fosse;  canal;  ditch
 to be transparent;  to be see-through;  to be clear;  to be clear (voice, sound)
 exterior;  outside;  outer;  external;  lateral
 waterway;  canal;  channel;  swimming pool lane
 to flow into;  to pour into;  to stream into
 using as an intermediary;  through
 to flow out;  to stream out;  to pour out;  to gush forth;  to leak;  to ooze out
 sudden;  abrupt;  urgent;  pressing;  steep;  sharp;  rapid
 route;  course;  path;  one's future course (e.g. after graduating high school)
 to change;  to alter;  to transform;  to reform;  to revise;  to amend
 excuse me;  pardon me;  I'm sorry;  thank you
 direction;  orientation;  bearing;  course (e.g. of action)