origin; source; history; originally; from the start; by nature
necessary and sufficient condition
about; concerning; related to; -ish
very interesting; of absorbing interest; having a keen interest (in); being immensely curious (about)
clearly evident; quite obvious; as clear as day; beyond any doubt; strikingly apparent
key; lock; key (to a problem); clue
difference; disparity; gap
nature; disposition; temperament; qualities; attributes; talents
no problem; all right; not an issue; unobjectionable
qualifications; requirements; capabilities
what the hell; oh, great!; son of a gun; holy mackerel; oh no!; holy cow!
buttocks; behind; undersurface; bottom; last place; end
is not; am not; are not; isn't it?
price; cost; charge; payment; bill; fee
horsepower; hp; energy; vitality; horse-drawn cart
to run off; to break into a run; to start running
four (long cylindrical things)
foot; paw; leg; gait; pace; bottom structural component (i.e. radical) of a kanji; (arch.) money
speech; words; one's lines; remarks
glittering; sparkling; glistening; twinkling
to shine; to glitter; to sparkle
golden; gold-colored; gold-coloured; honey-colour
elegance; dandyism; sophistication; affectation; showing off; putting on an air
yes; yeah; huh?; what?; not; 's
black; black go stone; guilt; guilty person
white; innocence; innocent person; blank space; white go stone; white dragon tile; skewered grilled pig intestine
ugly; unattractive; unsightly; unseemly
good; goodness; right; virtue
old age; old person; the old; the aged
young; youthful; immature; green; low (number); small
hero; the brave; man of valour (valor)
lowly people (esp. as a caste); humble people