Every scale and chord, every instrument, one screen.

Sus2 chords

A suspended second chord has three notes: the root, major second and perfect fifth. Its formula is 1 2 5. The 3rd replaced by the 2nd. It sounds open and unresolved and often moves to the major chord or to sus4.

On C it is written Csus2.

Sus2 chords in every key

Every suspended second chord, with its page on each instrument
ChordNotesShapes
Csus2C D Gguitar · piano
Dbsus2Db Eb Abguitar · piano
Dsus2D E Aguitar · piano
Ebsus2Eb F Bbguitar · piano
Esus2E F# Bguitar · piano
Fsus2F G Cguitar · piano
F#sus2F# G# C#guitar · piano
Gsus2G A Dguitar · piano
Absus2Ab Bb Ebguitar · piano
Asus2A B Eguitar · piano
Bbsus2Bb C Fguitar · piano
Bsus2B C# F#guitar · piano

Sus2 compared

On C: how suspended second differs from the chords it is confused with
ChordSymbolFormulaNotesDifference
Sus2Csus21 2 5C D G
Sus4Csus41 4 5C F GCsus4 and Csus2 share C and G. Csus4 has F, the 4th, where Csus2 has D, the 2nd.
Add9Cadd91 3 5 9C E G DCadd9 is Csus2 (C, D and G) with E, the 3rd, added.
MajorC1 3 5C E GC and Csus2 share C and G. C has E, the 3rd, where Csus2 has D, the 2nd.

Questions

What is a suspended second chord?

A suspended second chord has three notes: the root, major second and perfect fifth. Its formula is 1 2 5. The 3rd replaced by the 2nd. It sounds open and unresolved and often moves to the major chord or to sus4.

How do you write a suspended second chord?

On C it is written Csus2.

What is the difference between Csus2 and Csus4?

Csus2 and Csus4 share C and G. Csus2 has D, the 2nd, where Csus4 has F, the 4th.