truth; reality; proper; right; genuine; authentic
floating; drifting; suspension; (arch.) wandering (about)
cutting edge; leading edge; forefront; tip; end
technology; engineering; technique; skill; art; craft
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
gravity; gravitation; gravitational pull
at the same time as; while; as well as (multiple roles)
bird; bird meat (esp. chicken meat); fowl; poultry
like; similar to; as with; in the same way
to dance (orig. a whirling dance); to flutter about; to revolve
gliding; sliding; skating (on ice); taxiing (aircraft); making a takeoff run
on the road; on the street; in the street; on the way
to fly about; to skip about; to bustle about
the same rank; equality; apposition
to give (esp. to someone of lower status); to bestow; to provide; to afford; to assign; to cause
biggest; greatest; largest; maximum
speed; velocity; pace; velocity
each nation; many nations; many countries
chief; main; principal; major
also; too; not ... either; (it's not possible) no matter what; although one might wish otherwise
to be inferior to; to be less good at; to fall behind
there is no need to ...; never happens; there is never a time when
again; once more; also; too; on the other hand; while; and
by all rights; properly speaking; legally speaking
burden; load; responsibility; bearing (a cost, responsibility, etc.); shouldering
opposite; opposition; versus; vs.; to (e.g. "winning a game five to three"); equal footing
by means of; due to; because of; according to
relief; mitigation; alleviation; relaxation (of restrictions, tensions, etc.); easing; softening
to defy conventional wisdom
aviation; flight; flying; to fly; to take a flight
maneuver (usu. of military force); manoeuvre; mobile; nimble; agile
to change completely; to switch (to); to shift (to another mode)
practice; practising; exercises; manoeuvres; seminar (student debates, presentations, etc.); practicum
sky; the skies; high-altitude sky; upper air
training; drill; practice; discipline
to perform; to do; to conduct oneself; to carry out
behind; in the rear; in back