Celebrity Solstice was, at 122,000 GT, the largest ship to be built at a German shipyard, but this record was surpassed by the Disney Dream, a 128,000 GT cruise ship of the Disney Cruise Line.
Languages can definitely change and they can diverge. For example, Latin split up into the modern Romance languages: Portuguese, Spanish, Romanian, Galician, etc. This is less known, but languages can also converge: those languages are called creole. Some people argue that English is also similar to a creole: a mix of Germanic and French.
Interlanguage is the type of language (or linguistic system) used by second- and foreign-language learners who are in the process of learning a target language. Interlanguage pragmatics is the study of the ways in which nonnative speakers acquire, comprehend, and use linguistic patterns (or speech acts) in a second language.