When people are together for a long a time they are bound to not agree or get annoyed with each other.
BICKER is correct.
Students must not bicker in class. (BICKER - quarrel, dispute)
bicker is a verb
Andries Bicker was born in 1586.
Andries Bicker died in 1652.
Jan Bicker was born in 1591.
Jan Bicker died in 1653.
To bicker means to quarrel in a tiresome manner, to skirmish or to fight.
All my kids do all day is bicker.
Jan Bernd Bicker died in 1812.
Jan Bernd Bicker was born in 1746.
Bicker is another word for argue, usually when people are arguing about silly or not important things. Like you and your siblings may bicker - they aren't long, ongoing, serious arguments, but short arguments or squabbles. Bicker sounds more poetic.