* They're relatively uncommon. Most English words have fewer syllables.
* Pronunciation can vary. Some words might be considered six syllables by some speakers but only five by others.
However, here are some examples of words that are commonly considered to have six syllables:
1. Incomprehensibilities: This word refers to things that are impossible to understand.
2. Antidisestablishmentarianism: This word refers to opposition to the separation of church and state.
3. Unconstitutionality: This word refers to something that violates the constitution.
4. Supercalifragilisticexpialidocious: This word is famously from the musical "Mary Poppins" and has no real meaning.
5. Floccinaucinihilipilification: This word means "the act of estimating something as worthless."
6. Pneumonoultramicroscopicsilicovolcanoconiosis: This word, sometimes said to be the longest in the English language, refers to a lung disease caused by inhaling very fine silica dust.
Keep in mind that these are just a few examples, and there are many other words with six syllables. The key is to listen carefully to how the word is pronounced and count the number of distinct vowel sounds.