Friction - conflict or animosity caused by a clash of wills, temperaments, or opinions.

Synonyms -disunity, disharmony, strife, discord, schism, argument, falling out, run in, irritation, resistance, difference, dispute.

Antonyms - harmony, peace, agreement

In Luke 15:11-32, the elder brother demonstrated friction between himself, his younger brother, and his father.

Walk in a manner worthy of the calling to which you have been called, with all humility and gentleness, with patience, bearing with one another in love, eager to maintain the unity of the Spirit in the bond of peace. - Ephesians 4:1-3

We are praying towards unity, harmony, peace, and a restoring of relationships within our families.