Long words, simple ideas, if you know the parts.
Answer: Dictionaries
Samuel Johnson jokingly defined a lexicographer as "a harmless drudge."
Answer: Thirteen
It's Greek: tris (three) + kai (and) + deka (ten) + phobia. Many buildings skip the 13th floor.
Answer: 150
"Sesqui" means one and a half, so it's 1.5 centuries. The US celebrated its sesquicentennial in 1926.