periodic; regular; routine
source (of a river); fountainhead; source; origin; root
change; conversion; transformation; transformation
huge; vast; enormous; swelling; expansion
to get; to earn; to understand; to comprehend; to receive something undesirable (e.g. a punishment); to get (ill)
if it is the case that ...
thousands; several thousand
one Nth part (e.g. one fifth, one tenth); one out of N
probability; likelihood; chances
implantation (of an embryo)
fertilized egg; fertilised egg
to vacate; to surrender (e.g. a castle); to give up (e.g. a position); to hand over (e.g. power)
ectogenesis; outside the body
evacuation; emission (e.g. of CO2, etc.); ejection
picking out; taking out; (surgical) removal; exposure
fertilization; fertilisation; impregnation; pollination; insemination
first of all; to begin with; probably; most likely; more or less (satisfactory); on the whole
to boast of; to be proud of; to take pride in
generation; the world; the age
to inherit; to succeed; to take over
each; (arch.) you (plural)
to desire; to wish for; to expect; to see; to command (a view of)
to come true (of a wish, prayer, etc.); to be realized; to suit (e.g. a purpose); to meet (wishes, ideals, etc.); to match (implies competition); to rival
positive; assertive; active; proactive; aggressive
in turns; in series; in number order; by rotation
to decide; to choose; to clinch (a victory); to decide (the outcome of a match); to persist in doing; to go through with; to always do
number (in a series); (one's) turn; watch; guard; rank; standing; bout
to hand over; to transfer; to give up (e.g. one's seat); to give way; to yield; to concede
surprise; astonishment; wonder; amazement
so much (something) as to (e.g. so moved as to cry); overwhelmed; carried away; because of too much
to open one's mouth (to talk); to (start to) tell
brother complex; excessive attachment to one's brother; black contemporary (music)
younger brother; little brother; brother-in-law (spouse's younger brother or younger sister's husband); (arch.) pupil; (arch.) apprentice
to get; to secure; to learn; to master; to complete
purposely (of something needless, unexpected or seemingly counterproductive, etc.); daringly (doing something); not necessarily; not particularly; (arch.) definitely not
young girl; lass; adolescent female
only; merely; approximately; about; just (finished, etc.); as if to; (as though) about to