The longest word in the english dictionary is the famous disease casued by the inhalation of volcanic ashes, silica, etc.:
Pneumonoultramicroscopicsilicovolcanoconiosis
And the longest word in any language, doesn't belong to any specific language, because it's a scientific name. This is the scientific name of titin. This word, has amazingly 189,819 letters.
Hope it helped,
BioTeacher101
The word 'democracy' has its origins in the Greek language. It combines two shorter words: 'demos' meaning whole citizen living within a particular city-state and 'kratos' meaning power or rule. ... A belief in shared power: based on a suspicion of concentrated power (whether by individuals, groups or governments).
Chronological............................................................