Quran 20:27

Remove the defect of my tongue

Remove the hitch from my tongue,

“And untie the knot of my tongue.”

Unloose the knot upon my tongue, t

And untie (the) knot from my tongue

And loose a knot from my tongue.

"And make loose the knot (the defect) from my tongue, (i.e. remove the incorrectness from my speech) [That occurred as a result of a brand of fire which Musa (Moses) put in his mouth when he was an infant]. [Tafsir At-Tabari, Vol. 16, Page 159].

and loosen the knot from my tongue

and my tongue fluent

And loose the knot from my tongue,

And loose a knot from my tongue,

Unloose the knot upon my tongue,

And untie the knot from my tongue

And untie the knot from my tongue.

Loosen the knot in my tongue,

"And remove the impediment from my speech,