Hudnut rhymes with:
groundnut, chesnut, chestnut, coconut, donut, doughnut, groundnut, hazelnut, walnut, anthrobot, chesnut, chestnut, clearcut, coconut, donut, doughnut, fingerhut, groundnut, haircut, hazelnut, scuttlebutt, seragut, shortcut, steingut, supercut, taxcut, undercut, wackenhut, walnut
Hudnut sounds like:
hadn't, hadnot, headwind, hodnett