The interval between the root and the third of a major chord is a major third.

The interval between the root and the fifth of a minor chord is a minor third.

The interval between the root and the seventh of a dominant seventh chord is a minor seventh.

The interval between the root and the ninth of a major ninth chord is a major ninth.

The interval between the root and the eleventh of a minor eleventh chord is a minor eleventh.

The interval between the root and the thirteenth of a dominant thirteenth chord is a major thirteenth.

The interval between the root and the sixth of a major sixth chord is a major sixth.

The interval between the root and the seventh of a half-diminished seventh chord is a minor seventh.

The interval between the root and the ninth of a fully diminished ninth chord is a minor ninth.

The interval between the root and the eleventh of an augmented eleventh chord is a major eleventh.

The interval between the root and the thirteenth of a dominant thirteenth chord is a major thirteenth.

The interval between the root and the sixth of a major sixth chord is a major sixth.

The interval between the root and the seventh of a half-diminished seventh chord is a minor seventh.

The interval between the root and the ninth of a fully diminished ninth chord is a minor ninth.

The interval between the root and the eleventh of an augmented eleventh chord is a major eleventh.