Synonyms of the word

dissension

• n. An act of expressing dissent, especially spoken.
• n. Strong disagreement; a contention or quarrel; discord.

conflict

• n. A clash or disagreement, often violent, between two opposing groups or individuals.
• n. An incompatibility, as of two things that cannot be simultaneously fulfilled.
• v. (intransitive, with ‘with’) To be at odds (with); to disagree or be incompatible.
• v. (intransitive, with ‘with’) To overlap (with), as in a schedule.

disagreement

• n. An argument or debate.
• n. A condition of not agreeing or concurring.

discord

• n. Lack of concord, agreement or harmony.
• n. Tension or strife resulting from a lack of agreement; dissension.
• n. (music) An inharmonious combination of simultaneously sounded tones; a dissonance.
• n. Any harsh noise, or confused mingling of sounds.
• v. (archaic) To disagree; to be at variance; to fail to agree or harmonize; clash.

dissonance

• n. a harsh, discordant combination of sounds.
• n. (music) conflicting notes that are not overtones of the note or chord sounding.
• n. a state of disagreement or conflict.