何也(なんぞや)

what is it; what does it mean?

然也(しかなり)

it is so; that is correct

所以然也(ゆえんしかなり)

that is why it is so

如何也(いかんぞや)

how can it be?; what should one do?

也有(やゆう)

also exists; there is also

可也(かなり)

considerably

也々(やや)

slightly; somewhat

非也(ひなり)

it is not so

也又(

古文書(こもんじょ)には「然也(しかりなり)」と記(しる)されていた。

The old document stated, “It is so.”

彼(かれ)の推測(すいそく)は非也(ひなり)。

His supposition is incorrect.