The Romanian term "domnul" matches the English term "lord"

other romanian words that include "domnul" : english :
domnul gentleman
domnul Mister
domnul Mr.
domnul sir
Roman Origins
Romanian is a romance language because it is derived from Latin. But it also has Roman origins. It is derived from a type of Latin spoken in the Dacia province of Rome. The Dacian people actually had their own language and were conquered by Romans who instituted Latin as the language. So while Romanian is derived from Latin, the Latin spoken in Dacia was actually influenced by an ancient Dacian language too. This led to the development of the Daco-Romanian language. After Rome withdrew in the 3rd century, the Dacians came in contact with other people and culture such as the Byzantine empire.
A Unique Romance Language
Romanian has a unique phonology and grammar that is unlike other Romance languages. It retained the distinction between a short “o” and a long “u”. It also likes to replace consonants like “k” and “g” with labial consonants like “b,” “m” or “p.
Romanian Dialects
Daco-Romanian is the official language of Romania and is the standard for languages spoken. But there are other dialects including: Aromanian, Megleno-Romanian, and Istro-Romanian. They aren’t mutually intelligible though and linguists tend to classify them separate from Daco-Romanian. Armenian is also known as Maceo-Romanian and is spoken in Bulgaria, Kosovo, Serbia, Albania, and Greece.