6. Antidisestablishmentarianism (28 letters)
It denotes the position of the church to receive government patronage. Antidisestablishmentarianism is opposite to the political movement of disestablishment. It is one of the longest non-scientific words.
7. Honorificabilitudinitatibus (27 letters)
It is the plural of the Latin word honorificabilitudinities. It means “the state of being able to achieve honors”. Honorificabilitudinitatibus is the longest word ever used by Shakespeare in his comedy writing.
8. Radioimmunoelectrophoresis (26 letters)
Immunoelectrophoresis is the name of the methods used for the separation and characterization of proteins. In Radioimmunoelectrophoriesis the antigen or antibodies are labeled with radioisotopes and then it is observed for electrophoresis.
9. Thyroparathyroidectomized (25 letters)
Thyroparathyroidectomy is the name of the surgery. Thyroparathyroidectomized is the surgical process is used to remove the thyroid and Parathyroid glands.
10. Otorhinolaryngological (22 letters)
It is an adjective word of otorhinolaryngology. Otorhinolaryngology is the branch of medical science that deals with surgical and medical management of conditions of the head and neck. The Otorhinolaryngologist is the specialist who will give treatment for disorders in the ear, nose, throat, head, and neck.