export; exportation; efferent
origin; beginning; source; rise
unclear; obscure; unknown; unidentified; ignorance; lack of wisdom
riddle; puzzle; enigma; enigmatic; mysterious
different kind (species, variety); heterologous; heterogenous
to overwhelm (e.g. an opponent); to overpower; to overwhelm (someone with emotion); to move; to intimidate; to frighten
important; momentous; essential; principal; major
work; labor; achievement; performance; salary; income
eternity; perpetuity; permanence; immortality
red; crimson; red-containing colour (e.g. brown, pink, orange); Red (i.e. communist); red light (traffic); red ink (i.e. in finance or proof-reading); (in) the red
effect; effectiveness; efficacy; effects (e.g. sound effects, visual effects, special effects)
force; vigor; influence; authority; impetus; momentum
antibiotic-resistant bacteria
abuse; misuse; misappropriation; using to excess
pasturing; letting (an animal) run loose; letting (someone) do as they please; leaving (something) to take its own course; letting (an issue) go unchecked
overprescription; overmedication; drug dependence
drainage; ditch; gutter; sewage; black water
complex; complicated; intricate; mixed (feelings)
relation; relationship; participation; involvement; influence; effect
defense; defence; safeguard; protection
as (i.e. in the role of); for (i.e. from the viewpoint of); apart from... (used to change the topic); even (e.g. "not even a single person"); thinking that...; trying to...
sticking (in one place, position, etc.); settling; becoming established (of a custom, system, etc.); taking hold; fixation (photography); fixing
magnification; enlargement; expansion; amplification
ague; intermittent fever; the shakes; malarial fever (old name)
to spread; to extend; to unfold; to open; to scatter about; to spread around
difficult; hard; impossible; unfeasible; fussy; particular; gloomy
separation; partition; detachment; segregation; isolation
to change (cars or horses); to transfer; to possess; to inspire
period; epoch; the times; those days; oldness; ancientness
to make characteristic; to characterize
the Industrial Revolution
to bring; to take; to bring about
spread (e.g. of a disease); rampancy; infestation; proliferation; being widespread
war; fighting; fierce competition
(suffer) deterioration; growing worse; aggravation; degeneration; corruption