KEY: Split.
SYN: Divide, separate, rive, cleave, crack, splinter, burst, rend, sunder, disagree, secede, disunite.
ANT: Cohere, unite, amalgamate, coalesce, conform, agree, splice, consolidate, integrate.
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KEY: Spoil.
SYN: Plunder, strip, rob, devastate, pillage, denude, corrupt, vitiate, mar, deteriorate.
ANT: Invest, enrich, endow, replenish, renovate, improve, better, ameliorate, rectify, preserve.
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KEY: Spontaneous.
SYN: Voluntary, self-generated, self-originated, self-evolved, willing, unbidden, gratuitous.