It's most closely related to Estonian.
Estonian, and Saami (Lapp)
estonian
Maybe Estonian
Hungarian is the language that is most closely related to Finnish, as they both belong to the Finno-Ugric language family. However, Estonian also shares similarities with Finnish due to their geographical proximity and historical connections.
I think the most expressive language is Hebrew or Finnish.
Iran
indo-european
The most frequently used letter in the Finnish language would be the letter "A".
Finnish is considered the closest language to Hungarian based on linguistic similarities and shared features, despite not being mutually intelligible. Both languages are Uralic languages and share some common vocabulary and grammatical structures.
Finnish is neither a Germanic nor a Slavic language. It is a Finno-Ugric language, belonging to the Uralic language family, which includes Estonian and Hungarian.
Japanese doesn't have an actual language group like most languages do (e.g. Danish is part of the North Germanic language group, closely related to Swedish and Norwegian), however, I have heard that Korean would be the most closely related, as both languages borrowed common characters from the chinese language and also my guess would be they are reasonably similar given they are geographically close, however, by no means mutually intelligible.
According to most references, 2/3 of the population primarily speaks Estonian and one-third primarily speaks Russian. Because of its location, many people speak both languages along with anish and German.
Neutralism or naturalism is most closely related to realism.
The plant most closely related to the ginkgo is the conifers.