stimulation (e.g. of an economy); revitalization (e.g. of a town); rejuvenation; activation
to be grounded on; to be based on; to be due to; to originate from
crystal; crystallization; crystallisation; fruits (of labor, union, etc.)
disorder; chaos; confusion; mayhem
to be impatient for; to wait (anxiously) for; to eagerly look forward to; to long for
essence; true nature; substance; reality
simple; easy; uncomplicated; brief; quick; light
race; tribe; species; genus; stellar population (i.e. population I, II and III)
everything; anything; nothing
speed; velocity; pace; velocity
nowadays; in this day and age
On the Origin of Species (Charles Darwin, 1859); origin of species
publication; issue (of journal, newspaper, etc.); issue (of banknotes, bonds, passport, etc.); raising an event (software)
(approximate) time; around; suitable time (or condition); time of year; season
stability; steadiness; equilibrium
disappearance; vanishing; loss; dying away; wearing off
far; distant; distant (past); remote (in time); distant (relationship or kinship); having little to do (with someone); far (from something else in quality, degree, etc.)
another species; other species
gradually; steadily; slowly; little by little; step by step; by degrees
incremental; step-by-step; gradual; stepwise
hostility; antagonism; opposition
effect; efficacy; validity; potency
(physical) growth; development
frost; white hair; grey hair; gray hair
evening; night; dinner; evening meal; counter for nights
to kill; to slay; to suppress; to block; to suppress (a voice, feelings, etc.); to hold back
(parasitic) host; landlord; innkeeper
extinction; annihilation; destruction
easy; likely to ...; have a tendency to ...; easy to ...