Hippopotomonstrosesquippedaliophobia: Definition: Fear of long words
Some PEOPLE AROUND THE 
HAVE THIS PHOBIA! So I feel bad for these peoples and think it has NO cachinnate matter at all! But that’s not why i posted it……. I posted it because 1) Its one of the longest words in the English language and 2) Its really fun trying to pronounce and say it 5 times really fast. 🙂
(1 of the Longest Words: pneumonoultramicroscopicsilicovolcanoconiosis. Definition: A type of lung disease)
This might help you with pronouncing THAT word at the very beginning:
It might start to get annoying. 😉