editing disabled

Degree number
Function
Regular triad
I
Tonic
I-III-VI
II
Supertonic
II-IV-VII
III
Mediant
III-V-VIII
IV
Subdominant
IV-VI-I
V
Antitonic
V-VII-II
VI
Dominant
VI-VIII-III
VII
Submediant
VII-I-IV
VIII
Leading tone
Subtonic
VIII-II-V

Due to regular triads not being able to simply skip every other note, the regular VIII triad uniquely contains both degrees which are dissonant to the tonic.