20 Hard Words to Spell:
1. Pneumonoultramicroscopicsilicovolcanoconiosis (a lung disease caused by inhaling very fine silica dust)
2. Floccinaucinihilipilification (the act of estimating something as worthless)
3. Supercalifragilisticexpialidocious (a nonsensical word from the movie Mary Poppins)
4. Sesquipedalian (using long words)
5. Antidisestablishmentarianism (opposition to the separation of church and state)
6. Pseudopseudohypoparathyroidism (a rare genetic disorder)
7. Ephemeral (lasting for a very short time)
8. Misinformation (false or inaccurate information)
9. Conscientious (very careful and thorough)
10. Queue (a line of people or vehicles waiting for something)
11. Rhythm (a strong, regular, repeated pattern of movement or sound)
12. Accede (to agree to a request or demand)
13. Accede (to agree to a request or demand)
14. Fiasco (a complete failure)
15. Garrulous (excessively talkative)
16. Indispensable (absolutely necessary)
17. Idiosyncrasy (a peculiar or distinctive characteristic)
18. Iridescent (showing luminous colours that seem to change when seen from different angles)
19. Nuisance (a person, thing, or situation that is annoying or troublesome)
20. Surreptitious (kept secret or done secretly)