Here are some of the most closely related languages to Latin, listed in approximate order of closeness:
* Sardinian: Often considered the most conservative Romance language, preserving many features of Latin that were lost in other languages.
* Romanian: The easternmost Romance language, with a strong influence from Slavic languages.
* Spanish: Has a large vocabulary derived from Latin, with strong influences from Arabic and indigenous languages.
* Portuguese: Shares many similarities with Spanish but has its own distinct pronunciation and grammar.
* Catalan: Spoken in Catalonia, Spain, and parts of France, it is closely related to Spanish.
* French: Has undergone significant phonetic changes from Latin, resulting in a different pronunciation and vocabulary.
* Italian: Considered to be the Romance language closest to Latin in terms of pronunciation and grammar.
* Friulian: A language spoken in northeastern Italy.
* Romansh: A language spoken in Switzerland.
* Occitan: Spoken in southern France, with a significant influence from Latin.
While these languages are considered the most closely related to Latin, it's important to note that they have all evolved over time and developed their own unique characteristics.