Race features that work well with a barbarian's play style (melee/tanky), taking hits and dealing substantial damage I am guessing the "Orc" playable race from Volo's Guide are going to be quite pleasant too, but I haven't actually taken a look at that however, so I do not know without https://griffinurmha.blogofchange.com/28265463/not-known-facts-about-forest-gnome-dnd-5e