contention

(noun) a point asserted as part of an argument.

(noun) a contentious speech act; a dispute where there is strong disagreement. Synonyms: controversy, contestation, disputation, disceptation, tilt, argument, arguing. Example: "They were involved in a violent argument."

(noun) the act of competing as for profit or a prize. Synonyms: competition, rivalry. Example: "The teams were in fierce contention for first place."