measurement error; calculation error
may; might; perhaps; may be; possibly
another; one more; not quite; not very good; lacking
nineteenth day of the month; nineteen days; (arch.) fool; (arch.) simpleton
not yet known; unknown; strange
what is it (that); the meaning of something; what something is about
argument; discussion; dispute; controversy
target; object (of worship, study, etc.); subject (of taxation, etc.)
encounter; being confronted with (e.g. difficulty); meeting with (e.g. accident)
fireball; bolide; fireball
after that; afterwards; thereafter
unexplained; unsolved; unclear
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
hole; opening; pit; hollow; burrow; den; deficit
contortion; distortion; warp; kink (in one's character); twist
after a short while; not long after; soon; before long; shortly thereafter
eradication; extermination; rooting out; stamping out; getting rid of
impossible; incapable (of doing); incompetence; inability; impotence; having no solution (of an equation)
enclosure; annex; separate sheet; accompanying sheet
reference; bibliographical reference; consultation; browsing (e.g. when selecting a file to upload on a computer); checking out
above ground; on the ground; earth's surface; this world; this earth
exactly; surely; right then; just then; just (about to); on the verge (of doing or happening)
to well (up); to gush forth (of water); to appear (esp. suddenly) (sweat, tears, etc.); to feel emotions from (joy, bravery, etc.); to hatch (esp. of parasitic insects, etc.)
appropriate; adequate; suitable; fitting; worthy
to become overgrown; to grow thick; to spread; to run rampant; to thrive
vacant land; unoccupied ground; empty lot
pure white; blank (e.g. mind, paper)
form; shape; state; condition; letter; correspondence
encroachment; erosion; corrosion
series; chain; two reams (i.e. 1000 sheets of paper); verse; stanza
floating; drifting; suspension; (arch.) wandering (about)
special; particular; peculiar; unique
chemical reaction; generation of an unexpected result from combining things
to raise; to raise up; to wake; to wake up; to cause; to bring about; to start
birth; creation; formation