Uralic languages ) (In Northern Sami, ( ), while the acute denotes a secondary palatal articulation ( , , ) or, in Hungarian, vowel length. The Finnish letter and the letter in other languages represent the high rounded vowel ; the letters and are the front vowels and . As is apparent from the list, Finnish is the most conservative of the Uralic languages presented here, with nearly half the words on the list below identical to their Proto-Uralic reconstructions and most of the remainder only having minor changes, such as the conflation of *ś into /s/, or widespread changes such as
Uralic languages published the most complete work on Finno-Ugric to that date. Up to the beginning of the 19th century, knowledge on the Uralic languages spoken in Russia had remained restricted to scanty observations by travelers. Already Finnish historian Henrik Gabriel Porthan had stressed that further progress would require dedicated field missions. One of the first of these was undertaken by Anders Johan Sjögren, who brought the Vepsians to general knowledge and elucidated in detail the relatedness of Finnish and Komi. Still more extensive were the field research expeditions made in the 1840s by Matthias Castrén (1813–1852) and Antal Reguly (1819–1858), who