"linguistic characteristic" is a correct and usable phrase in written English.
You can use it to refer to the specific qualities of a language, such as the use of certain words or pronunciation. For example: "The linguistic characteristic of French includes the use of nasal vowels."
In the mid-20th century, however, the Norwegian linguist Georg Morgenstierne discovered several linguistic characteristics and archaisms in the Nuristani group that suggested its very early separation from other branches of Indo-Iranian.
The linguistic characteristics of South Caucasian languages indicate descent from a common protolanguage.
In December 2015, the Atlantic investigated the phenomenon that it dubbed "YouTube voice" – which relates to the linguistic characteristics shared by many top YouTube stars.
Somewhat similarly, studies after Schuchardt's have not found common linguistic characteristics between Basque and the Afro-Asiatic languages.
Irish writing is, despite its unique national and linguistic characteristics, inevitably intertwined with English literature, and this relationship has led frequently to the absorption of Irish writers and texts into the canon of English literature.
Despite its many unknown linguistic characteristics, Amorite has been dated to the last century of the 3rd millennium bce by reference to the known chronology of proper names from that period.
(For more on the relationship between the language and the writing, see Japanese language: Linguistic characteristics of modern Japanese. Korea too was greatly influenced by Chinese institutions and culture.
Tamil literature was fostered by the support of the Jaffna kings and was enriched by constant contact with south India, yet it developed an individuality in idiom and speech and acquired some linguistic characteristics that distinguished it from its south Indian parent.
Determining the geographic location, material culture, and linguistic characteristics of the earliest stages of Uralic at a period thousands of years prior to any historical record is a problem beset with enormous difficulties; consensus among Uralic scholars is limited to a handful of general hypotheses.
The family may also include extinct languages such as the Guanche languages of the Canary Islands, Old Libyan (Numidian), and Old Mauretanian, which are known from inscriptions but have not yet been studied thoroughly enough to make any affirmative generalizations about their linguistic characteristics.
