Chord tendency resolves up a semitone for each chord tone, F#dim7 resolves to G, A#\B♭, C#, and F major, and you can include the relative AND parallel minors of each of those keys as well F#m9♭5 chord root note, minor 3rd, diminished 5th, minor 7th, major 2nd\9th = Rm3d5M2 = 1♭3♭59 Chord equivalent equals a 7#5♭9 on the 9This circumstance results also in that many dim7 chords share the exact same notes (socalled enharmonic chords) For example, Adim7 will use the same notes as Cdim/A, A#dim7 will use the same notes as C#dim/ and so on Below is a larger comparison of this with names and short notation Ddim7 = Fdim7/D = Abdim7/D = im7/D XXF#dim7 Guitar Chord Diagrams with all the positions in the fretboard with suggested fingering
Guitar Chord C Dim7 C Sharp Diminished Seventh At Chord C