Up to 50% of young twins develop a secret language that can not be understood by others. The phenomenon is called cryptophasia and is thought to be created to communicate when one of the twins develop language slower than the other.
Facebook created two AI chatbots to converse with one other, only to shut them down when they began speaking in a language they had created for themselves.
Older forms of English kept Latin’s gender specific suffixes -tor and -trix, -tor is for men and -trix is for women. So a male pilot is a aviator and a female pilot is a aviatrix. A male fighter is a gladiator and a female fighter is a gladiatrix.
Since the 1300’s, the pronoun “thou” was actually considered more informal and even derogatory than the pronoun “you.” This is also why its usage began declining in the 17th century; it was considered “impolite.”
The common English-speaker has roughly 50,000 words within their mind and generally finds the correct one in approximately 600 milliseconds.
Icelandic people actively work to eliminate English “loanwords” in their language by inventing and substituting new words from Old Icelandic and Norse roots.
The “Pirate speak” from movies and books was an actual distinct dialect of English which was spoken until the 19th century in the west country. It became associated with pirates due to the strong seafaring tradition from the area.
Calling football “soccer” originated in Britain 200 years ago. It wasn’t until the 1980s that Britain began to phase out the name because it was “too American”.
The Italian words widely used in New Jersey differ greatly from mainstream Italian today not because of bad “copying” but because the words came from people speaking an Italian dialect that subsequently died out in Italy.
Louisiana French is in decline. One million people spoke it in 1968, now only 150k-200k speak it.