List of Twelve Syllable Words with Proper Pronunciation
- American Expeditionary Forces
- Anatomicopathologicalate
- Antidisestablishmentarianismation
- Dichlorodiphenyltrichloroethanetion
- Floccinaucinihilipilification
- Floccinaucinihilipilificatious
- Immunoelectrochemiluminescence
- International Standards Organization
- Laryngotracheobronchopneumonitis
- Methylenedioxymethamphetaminate