Hazelnut rhymes with:
walnut, chesnut, chestnut, coconut, donut, doughnut, groundnut, hudnut, walnut, anthrobot, chesnut, chestnut, clearcut, coconut, donut, doughnut, fingerhut, groundnut, haircut, hudnut, scuttlebutt, seragut, shortcut, steingut, supercut, taxcut, undercut, wackenhut, walnut
Hazelnut sounds like:
hagglund, haglund, haugland, hegland, heglund, highland, hoagland, hoaglund, hogeland, hogland, hoglund, hoogland, houghland, hougland