main cause; primary factor
mountain; hill; mine (e.g. coal mine); heap; pile; crown (of a hat); thread (of a screw)
one night; all night; overnight; one evening
river; stream; River; the ... river
common (of objects, abstract things); usual
to change (with the passage of time); to fade; to wane; to decline
fixing (in place); being fixed (in place); fixing (e.g. salary, capital); keeping the same; fixation (histology); user name (on an online forum like 2ch where the majority of users post anonymously)
and so; therefore; for that reason
indispensable; essential; requisite; required; compulsory; necessary
storm; tempest; uproar; hullabaloo; storm (e.g. of protest)
to take in; to bring in; to capture (e.g. image); to import; to win over; to please
action of making something; -ification
washing; laundry; relaxing; taking a break
interference; intervention; meddling
ultimate; final; last; eventual
dreadful; terrible; horrible; fearsome; formidable; awesome
formidable enemy; strong enemy; tough enemy
before one's eyes; in front of one; under one's nose; immediate; imminent; around the corner
Mr.; Mrs.; makes a word more polite (usu. in fixed expressions); state; situation
early (days); initial stage; initial
argument; discussion; theory (e.g. of evolution); doctrine; essay; treatise
out of the question; outrageous; impossible; irrelevant; not pertinent
infection; contagion; becoming infected
type; kind; type (of person); (ideal) type; typewriter; typing
something; some kind of; for some reason
bat (Chiroptera spp.); umbrella; opportunist; turncoat
weird; ominous; eerie; uncanny; ghastly
three flat objects (sheets of paper, pieces of cloth, etc.); cutting a fish into two boneless fillets and a piece with the skeleton
(opening of) a wound; (mouth of a) wound; cut
to pour into; to wash down; to insert (e.g. into a data stream)
invasion; incursion; raid; aggression; intrusion; trespass
special characteristic; special quality; trait; idiosyncrasy; peculiarity
creation; generation; formation; derivation
to call; to summon; to send for; to call together
owner; proprietor; possessor (e.g. of talent, beauty, etc.)
(one's) family; dependents; household; follower; retainer; underling
to ascend; to go up; to ascend (as a natural process, e.g. the Sun); to rise; to go to (the capital); to be promoted; to add up to
all (there is); as long as there is
sure; certain; reliable; trustworthy; If I'm not mistaken; If I remember correctly