principle; theory; fundamental truth
to put back; to return; to vomit; to throw up; to recover (of a market price)
suspicion will raise bogies; once you suspect something, everything else will look suspicious; jumping at shadows
to turn over; to turn pages of a book; to tear off; to strip off; to tear up
to disclose; to divulge; to expose; to open (a grave); to dig out
criticism; judgement; judgment; comment
to fill; to become full (of); to wax (of the moon); to rise (of the tide); to flow; to expire (of a period of time)
energy; energy; strength; energy source; energy resource; food energy
flow (of a fluid or gas); stream; flow (of people, things); passage (of time); course (of events); (step-by-step) procedure; group of people who remain together after the end of an event
to bail out (water); to dip out; to ladle out; to start drawing (water)
feelings; thoughts; meaning
to use as an intermediary; to mediate; to assist; to worry; to mind; to care
discovery; detection; finding
area; domain; territory; field; range; region
equipment; device; installation; stage setting
drawing up (e.g. legal document, contract, will, etc.); preparing; writing; framing; making; producing
to name; to call; to christen; to term
pointed end; tip; point; forefront; vanguard; spearhead
stone; jewel; precious stone; flint (in a lighter); stone (in go); stone (in the bladder, kidney etc.); calculus
minimum; minuscule; local minimum
terminal; computer terminal; information access device (smartphone, tablet, book-reader, etc.); end (e.g. of a roll of film)
establishing; proving; ascertaining; identifying; confirming
system; lineage; ancestry; group (e.g. of colors) (colours); family (e.g. of languages); close (evolutionary) relationship
division; section; demarcation; partition; segmentation; subdivision
classification; categorization; sorting
(staring) piercingly; (looking) hard
doubt; skepticism; scepticism; disbelief
historic; historical; traditional
turning point; tipping point; commutation point
base; basis; base (e.g. military); depot; base; base bag
naming; giving a name; designation; nominal
energy problems; energy issues
kernel; core; nucleus; center; centre
disposal; throwing away; dealing with (a problem); measure; punishment; penalty
to come to a dead end; to come to a standstill; to reach a deadlock; to reach an impasse; to reach a stalemate