MUSLIM 1645:
from ʿUqbah b. ʿĀmir —
The expiation of the (breach of) a vow is the same as that of the (breach of an oath).
مسلم ١٦٤٥:
عن عقبه بن عامر —
عَنْ رَسُولِ اللَّهِ ﷺ قَالَ كَفَّارَةُ النَّذْرِ كَفَّارَةُ الْيَمِينِ