وَٱحْلُلْ عُقْدَةً مِّن لِّسَانِى
Wa o h lul AAuqdatan min lis a nee and loosen the knot from my tongue
 - Mohammad Asad
and remove the impediment from my speech
 - Muhammad Farooq-i-Azam Malik
and remove the impediment from my tongue
 - Mustafa Khattab
And loose a knot from my tongue,
 - Marmaduke Pickthall
"And remove the impediment from my speech. 2553
 - Abdullah Yusuf Ali