The word idiot is not in The Bible.
It is hard to tell because there are so many different translations out there. There are no occurrences of the word "idiot" in the KJV, NKJV, Standard or NIV.
Matthew 5:22 - But I say to you that whoever is angry with his brother without a cause shall be in danger of the judgment. And whoever says to his brother, 'Raca!' shall be in danger of the council. But whoever says, 'You fool!' shall be in danger of hell fire. [NKJV]"Raca" in context means, "senseless, empty-headed."
In the Kng James version the word - idiot - does not appear at all. the word - fool - appears 66 times the word - fool's - appears 7 times the word - fools - appears 42 times I can find no synonym of - idiot - in the KJV other than this.
The same word - idiot
The German word for Idiot is "Trottel"
The Tagalog word for idiot is "bobo."
Idiot is the same word, 'idiot', you just pronounce it with a long o sound and more emphasis on the o.
Idiot (идиот) in Russian.
The word "idiot" in French is spelled as "idiot".
The Greek word idiotes is the ancient predecessor to idiot.
idiot = lōlō
The Irish have the word amadán for a male idiot/fool and óinseach for the female.