Without the seventh they're called add9 and madd9.
If you add a 13 to an add9 chord it's just an add13. The 13 implies that both a 9 and 11 could be in the chord, but don't have to be. An 11 implies a 9.
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Extended chords with the seventh are called major9, minor9, and 9 (for dominant)
Without the seventh they're called add9 and madd9.
If you add a 13 to an add9 chord it's just an add13. The 13 implies that both a 9 and 11 could be in the chord, but don't have to be. An 11 implies a 9.
Without the seventh they're called add9 and madd9.
If you add a 13 to an add9 chord it's just an add13. The 13 implies that both a 9 and 11 could be in the chord, but don't have to be. An 11 implies a 9.