vocabulary

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Across
  1. 1. Word: The base form of a word that carries its central meaning (act).
  2. 4. Language roots used mainly for scientific and technical terms (bio-).
  3. 5. An element added to the end of a word to alter its meaning or class (-ful).
  4. 6. A element added to the start of a word to alter its meaning (un-).
  5. 7. A set of words known or used by a person or group.
Down
  1. 2. A word's historical source or etymology.
  2. 3. Language roots forming the base of much of everyday English (aqua-).
  3. 5. The correct sequence of letters in a word.