to commit a crime; to commit a sin
treason; treachery; mutiny; rebellion; insurrection
exchange; interchange; switching; reciprocity; barter; substitution
babysitting; babysitter; taking care of; assisting; assistant
simultaneous; all at once
whirlpool; swirl; eddy; vortex; maelstrom
central part; heart (of a city)
to illuminate; to shine a light on; to light up
departure; departing (from ...); sending; sent (by ...); engine; counter for gunshots, bursts of gas, etc.
living in peace; living a quiet life; being content with one's present position; being satisfied with one's lot
not exceeding; and downward; below (e.g. standard); under (e.g. a level); the below-mentioned; the following
companion; fellow; group; company; member of the same category (family, class)
urgency; exigency; emergency
ought to do; have to do; must do; feel obliged to
index finger; forefinger; second toe
farewell; be that so; in that case; (arch.) however; (arch.) though that may be the case
protection; safeguard; guardianship; preservation; conservation
chaos; confusion; disorder; chaotic; confused; uncertain
to work on (someone); to appeal to; to make approaches to; to begin to work
because; for; the reason why is ...
hole; opening; pit; hollow; burrow; den; deficit
in order; in turn; one by one
adjustment; regulation; coordination; reconciliation; tuning; fixing
square measure; size (e.g. of land); area; surface
parts; accessories; components
seal; to seal (e.g. a letter); to affix a seal; to seal up
by all rights; legally speaking; properly speaking
pushing; backing; boosting; pushing from behind (a cart, etc.); pusher
hatred; abhorrence; loathing; detestation
hostility; animosity; enmity
to make sacrifices for; to pay dearly for
distinction; discrimination
ambition; aspiration; sinister designs; treachery
opening (a door, window, etc.); leaving open; opening up (e.g. to the public); allowing (public) access
harmony; accord; reconciliation; agreement
fault; error; indiscretion; faux pas