For free and surface groups acting convex-cocompactly on hyperbolic spaces the growth spectrum is [0, ω_G]; for any hyperbolic group it contains [0, ω_G/2] (strictly larger if divergent).
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On the growth spectrum of hyperbolic groups
For free and surface groups acting convex-cocompactly on hyperbolic spaces the growth spectrum is [0, ω_G]; for any hyperbolic group it contains [0, ω_G/2] (strictly larger if divergent).