Discord

Dissonanz

(music: an inharmonious combination of simultaneously sounded tones; a dissonance)

Kakophonie

(music: an inharmonious combination of simultaneously sounded tones; a dissonance)

Lärm

(any harsh noise, or confused mingling of sounds)

Missklang

(any harsh noise, or confused mingling of sounds)

Streit

(lack of concord, agreement, harmony; disaccord)

Uneinigkeit

(lack of concord, agreement, harmony; disaccord)

Zwietracht

(tension or strife resulting from a lack of agreement; dissension)