 Wastek also is the only Mayan language to have a phonemic labialized velar phoneme , but this is known to be a postcolonial development.Comparing colonial documents in Wastek to modern Wastek it can be seen that they were originally clusters of and a rounded vowel followed by a glide.For example, the word for "vulture" which in modern Wastek is pronounced was written  in colonial Wastek and pronounced .