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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English oonnesse, onnesse, from Old English ānnes (“oneness, unity, agreement, covenant, solitude”), from Proto-West Germanic *ainnassī (“oneness”), equivalent to one + -ness. Cognate with Old High German einnissī, einnissa (“unity, oneness”).
unity
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tap / space
Classic usage
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