English language | bibliography
How many words are there in the English language? There is no single sensible answer to this question. It's impossible to count the number of words in a language, because it's so hard to decide what actually counts as a word.
Controllers working on stations serving designated airports and routes used by international air services shall demonstrate language proficiency in English as well as in any other language(s) used by the station on the ground.
The problem with trying to number the words in any language is that it's very hard to agree on the basics. For example, what is a word?
The working languages at the UN Secretariat are English and French.