kiistelen
Kiistelen is a Finnish verb that translates to "I argue" or "I dispute" in English. It is the first-person singular present indicative form of the verb kiistellä. The verb kiistellä describes the act of engaging in a disagreement or verbal confrontation with one or more people. It implies a back-and-forth exchange of differing opinions or viewpoints, often characterized by a lack of agreement.
The concept behind kiistelen can range from a mild difference of opinion to a more heated debate.
For example, one might say "Minä kiistelen hänen kanssaan asiasta" which means "I am arguing with him/her