Muhammad (Arabic: محمد) is the primary transliteration of the Arabic given name مُحَمَّد that comes from the passive participle of the Arabic verb ḥammada (حَمَّدَ), praise, which comes from the triconsonantal root Ḥ-M-D. The word can therefore be translated as "praised, commendable, laudable".
The name Kaif is a Muslim baby name. In Muslim the meaning of the name Kaif is: Pleasure. High spirits.