[sorokod]

The dash in the spelling is unusual (according to books.google), also different languages tell different stories

Russian - looks like a hot topic at the start of WW2 :

https://books.google.com/ngrams/graph?content=%D0%B3%D1%83%D...

German:

https://books.google.com/ngrams/graph?content=Guttapercha&ye...