probe; inquiry; enquiry; investigation
course; route; path; process; stages
not yet known; unknown; strange
obstacle; impediment; disability; handicap; steeplechase; obstacle race
perception; sensation; awareness
contortion; distortion; warp; kink (in one's character); twist
insufficiency; deficiency; shortage; dissatisfaction; discontent; complaint
maximum preference; maximum priority; priority handling
astonishing; amazing; surprising; wonderful
close investigation; careful examination; scrutiny
hypothesis; supposition; assumption; tentative theory
construction; building; putting up; erecting; creation; formulation
consideration; examination; investigation; study; scrutiny; discussion
defect; fault; flaw; deformity; deficiency; shortage
six o'clock; six periods of a day (morning, midday, afternoon, evening, midnight, late night)
above anything else; above all; more than anything; best; greatest; excellent
reappearance; reemergence; return; reproduction; reenactment; recreation
20 years old; (arch.) twenty
taking; taker; last performer of the day (usu. the star performer); last performance of the day; active partner (e.g. in judo demonstration); emphatic or formal prefix
self-respect; prudence; not acting rashly; taking care of oneself; being careful with one's health
endurance; perseverance; patience
talking in one's sleep; somniloquy; nonsense; gibberish
malicious; ill-tempered; unkind; mean; nasty
half; 50%; 5 parts; 5%; equality; equal footing
reexamination; reinvestigation; resurvey
truth; reality; seriousness; truth; printed style writing; star performer
search; lookup; hunt; (item of) research; exploration; investigation
existence; being; life; survival
goods; materials; commodities; resources; supplies
(wheeled) vehicle; car; (railroad) car; (railway) carriage; rolling stock
priority; order of precedence
execution (e.g. of a plan); carrying out; (putting into) practice; execution (of a program); run
background knowledge; prerequisite knowledge
to pass (the night); to spend; to reveal; to divulge; to prove; to verify