Spelling Words

12345
Across
  1. 1. mini title located under a main heading
  2. 3. falling below the expected quality
  3. 4. to sign up for; agree to receive
  4. 5. a train that travels underground in a city
Down
  1. 1. splitting something into smaller groups
  2. 2. completely covered by water or a liquid
  3. 3. a ship designed to travel underwater
  4. 4. words in a different language on a screen
  5. 5. tiny pieces of matter smaller than an atom