wisdom. (n)
I have many wisdom.
{Wisdom} is an uncountable noun. We should use {much} instead of {many}.
I have much wisdom.

He have no wisdom.
{He} is the third personal singular. We should use {has} instead of {have}.
He has no wisdom.

They have some wisdom.
OK！

liger （n）
There was a liger.
Liger are big.
{Liger} is the third personal singular. We should use {is} instead of {are}.
Liger is big.