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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English rightful, ryghtfull, riȝtful, from Old English *rihtfull (suggested by derivative unrihtfull (“unrightful”)), equivalent to right + -ful.
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tap / space
Classic usage
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