nesuglasica

1. disagreement; difference of opinion
   Između njih postoje nesuglasice oko novca. — They have disagreements about money.
   Nesuglasice u vladi su sve veće. — The disagreements in the government keep growing.
2. falling-out; quarrel
   Imali smo malu nesuglasicu, ali sad je sve u redu. — We had a little falling-out, but everything's fine now.

Often used in the plural: nesuglasice oko + gen. (disagreements over something).