Linguistic terms and all use cases were collected from Vincas Urbutis book “Word-building theory”. It was found 1464 different linguistic terms, which were used 4143 times. It was established, that almost 13 of all linguistic terms are descended from Lithuanian (373 terms or 25,5 % of all linguistic terms), 16 other language (216 terms or 14,8 % of all linguistic terms) and 23 of all linguistic terms are hybrids (875 or 59,8 % of all linguistic terms). For the most part of other language one-word terms are descended from classical – the Latin (104 terms or 40 % of all one-word terms) and the Greek (52 terms or 20 % of all one-word terms) – languages. It was found 13 terms or 5 % of all one-word terms, which are descended from the French language and 7 terms descended from other languages. 302 compound terms are Lithuanian (25,1 % of all compound terms). It was found 40 international compound terms (3,3 % of all compound terms). The biggest part of compound terms forms hybrids (71,6 % of all compound terms). From the respect of structure, terms are different – one-word (260 terms or 17,8 % of all terms) and compound (1204 terms or 82,2 % of all terms). The biggest part of one-word terms forms derivatives (150 terms or 57,7 % of all one-word terms), other part (110 terms or 42,3 % of all one-word terms) forms primary terms. The biggest part of linguistic terms are built with suffixes (114 terms or 43,8 % of all one-word terms). Mostly derivatives of suffixes are action names (4... [to full text]