longest words

123456
Across
  1. 1. 45 letters; inhaling silicate or quartz dust
  2. 5. 34 letters; also my favorite longest word if i had to choose one
  3. 6. 189,819 letters(add [...] to end)
Down
  1. 2. 28 letters
  2. 3. 29 letters; the act or habit of assessing something as worthless
  3. 4. 36 letters; fear of long words