1. aboard 2. brawl 3. differ 4. disagree 5. fasten a quarrel 6. quarrel (with - с кем-либо, about, for - из-за чего-либо) 7. have a row 8. be not on speaking terms 9. get into a tangle 10. have words with somebody - с кем-либо 11. fall out 12. fall foul of