Afrikaans. It is an Indo-European language of the Germanic language family, and is closely related to (and sometimes mutually intelligible with) Dutch and especially Flemish.
Maybe Estonian
No, neither Finnish nor Estonian is a Dravidian language. Dravidian languages are predominately spoken in South Asia, whereas Finnish and Estonian are closely related Uralic languages.
Ndebele is related to Zulu and Xhosa. The languages related to Xhosa and Zulu are obviously the Nguni nations namely Northern Ndebele, Southern Ndebele and Swazi.
An Algonquian is another word for an Algonquin - a member of an aboriginal North American tribe, closely related to the Odawa and Ojibwe, who reside mostly in Quebec - or the family of languages belonging to these people.
the tribal languages of central and southeastern siberia
Yes, Samoan is in the Polynesian language family.
No. The connection between the Harappan language and Indian languages is theoretical, so at best you could say that the Harappan language is distantly related to the languages spoken in India, but this is only a possibility.
Spanish is closely related to other Romance languages, such as Portuguese, Italian, and French. These languages all evolved from Latin and share similarities in vocabulary, grammar, and sentence structure.
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.
French is a Romance language, so it is closely related to other Romance languages such as Spanish, Italian, Portuguese, and Romanian. These languages share common roots from Latin and have similarities in vocabulary and grammar.
The languages most closely related to Latin are Italian, French, Spanish, Portuguese, and Romanian.
The languages most closely related to Latin are the other members of the Italic branch within the Indo-European language family, such as Oscan, Umbrian, and Faliscan. Among modern languages, the Romance languages (e.g. Italian, French, Spanish, Portuguese) are the most direct descendants of Latin.
Bantu is not a single language but a group of over 500 closely related languages spoken in Africa. These languages belong to the Bantu language family, which is one of the largest language families on the continent.
Yes, Portuguese is a Romance language. It is derived from Latin and is closely related to other Romance languages such as Spanish, French, and Italian.
The language most closely related to English is Frisian, a language spoken in the Netherlands and Germany.
They are related, they belong to the Latin language family.