Parts of speech

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Across
  1. 4. refers to a groups of something specific
  2. 5. apply to the five senses
  3. 7. more ethereal, theoretical, concepts
  4. 8. refer to materials or substances from which things are made
  5. 9. Nouns that refer to specific entities
Down
  1. 1. hard to count
  2. 2. refer to general, unspecific categories of entities
  3. 3. shows numbers/amount
  4. 6. joins two or more words to make a single noun