Lexical diffusion: spread of change in vocabulary

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Across
  1. 4. — The smallest unit of meaning.
  2. 5. — The total set of words in a language.
  3. 6. — A regional variety of a language.
  4. 8. — Happening slowly over time.
  5. 11. — A different form of a word.
  6. 12. — Systematic distribution of linguistic forms.
  7. 14. — Gradual phonological change.
  8. 17. — The core concept of vocabulary evolution.
  9. 18. — Making irregular forms more regular.
  10. 19. — Change based on similarity to another word.
Down
  1. 1. — How often a word appears.
  2. 2. — Taking words from another language.
  3. 3. — Related to words or vocabulary.
  4. 6. — The gradual spread of linguistic change.
  5. 7. — The study of meaning.
  6. 9. — Movement of linguistic change.
  7. 10. — Actual use of words by speakers.
  8. 13. — A new linguistic form or change.
  9. 15. — The study of sound systems.
  10. 16. — A linguistic element that changes.