* Minor triad: A chord consisting of the root, third, and fifth notes of a minor scale.
* Suspended chord: A chord in which the third is replaced by the fourth note of the scale.
* Added chord: A chord in which a note is added to a basic triad.
* Altered chord: A chord in which one of the notes is raised or lowered by a half step.
* Extended chord: A chord that includes notes beyond the seventh note of the scale.
* Dominant seventh chord: A chord consisting of the root, third, fifth, and seventh notes of a major scale.
* Minor seventh chord: A chord consisting of the root, third, fifth, and seventh notes of a minor scale.
* Half-diminished seventh chord: A chord consisting of the root, third, flattened fifth, and seventh notes of a major scale.
* Fully diminished seventh chord: A chord consisting of the root, flattened third, flattened fifth, and flattened seventh notes of a major scale.
* Augmented chord: A chord consisting of the root, third, and sharpened fifth notes of a major scale.
* Diminished triad: A chord consisting of the root, flattened third, and flattened fifth notes of a major scale.