Latin Number Prefix

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Across
  1. 2. a crustacean of the order Decapoda, such as a shrimp, crab, or lobster
  2. 3. a series of eight notes occupying the interval between (and including) two notes
  3. 6. a process in which something is done or achieved together at the same time
  4. 7. a group of three singers or musicians who perform together
  5. 9. able to speak and understand two languages; using or expressed in two languages
  6. 10. done or experienced by everyone; existing or available for everyone; existing or true at all
  7. 12. or in all places
  8. 13. any group of five people or things
Down
  1. 1. recurring every seven years
  2. 4. occurring on the ninth day
  3. 5. a series of three novels or movies that are closely related and involve the same characters or
  4. 8. a stanza of four lines, especially one having alternate rhymes
  5. 11. a couple of six people or things