There are many such words. One of today's favorite errors is in "short lived" which properly rhymes with arrived but is mistakenly pronounced to rhyme with lived.
Unanimous
Lulzz
Haus (pronounced like the English word)
Roh-MEH-nee-uhn is an English language pronunciation of the word 'Romanian'.
polish/Polish
The question has 2 meanings 1. Which word is always pronounced wrong 2. Which word is always literally pronounced "incorrectly" Answer : 1. There is none 2. The word "incorrectly"
No such word in English exists. You need to specify the language.
queue
It is pronounced colleen, but the Irish language word is spelt cailín. The Irish word for boy is buachaill, which is pronounced boo-kill. English is the main language spoken in Ireland.
"Incorrectly" is always pronounced incorrectly. (And "wrong" is always spelled wrong.)
The English word 'sing ' is said in African Abaluhya (Luhya) language as "imbaa".
In English, the main language, you just say "friend". In the Irish language the word for friend is "Chara", pronounced "Cara".