"language varieties" is a grammatically correct phrase and can be used in written English.
Example: "The course on linguistics explores different language varieties, such as dialects, accents, and regional differences."
But I believe that I should do so without denigrating the language varieties spoken in students' homes and communities and without wrongly assuming that students' language varieties are indicators of their intelligence.
They could choose to find out more about language varieties which are not deficient at all but complex and creative.
Unlike creoles and pidgins, koines are considered to be genetically related to the language varieties from which they have evolved.
Differences in religion, caste, ethnicity, profession, and education overlap with regional distinctions to create a complex system of language varieties in which sharp dialect boundaries cannot be drawn.
Since the late 19th century, linguists have extended the term pidgin to other language varieties that emerged under similar contact conditions.
Lexical Innovation in World Englishes is key reading for postgraduate students and researchers in the fields of World Englishes and language varieties.
Within the language, variety is for the most part geographically based.
While appropriating Kimanyanga as their lingua franca, the workers unwittingly modified it into a new language variety.
In linguistics, the term koine is now applied to any modified language variety that has developed from contact between dialects of the same language or, in some cases, between languages that are genetically or typologically related.
Wu language, variety of Chinese dialects spoken in Shanghai, in southeastern Jiangsu province, and in Zhejiang province by more than 8percentt of the population of China (some 85 million people) at the turn of the 21st century.
African American English (AAE), a language variety that has also been identified at different times in dialectology and literary studies as Black English, black dialect, and Negro (nonstandard) English.
