Dawah

The triliteral root dāl ʿayn wāw (د ع و) occurs in the Quran 212 times.

In The Quran

(2:23) If you are in doubt as to what We have sent down to Our servant, then bring a chapter like this, and call upon (Arab. وَادْعُوا, wa-id'ʿū) your witnesses other than God if you are truthful.