ad-dhahiriya adh-dhariyat ardharathiri atharva-veda dahara-vidya dead-hearted derivativity dvaitadvaita erythraeidae h-derivative hard-hearted hardhatharry hare-hearted headerheader hearyehearye heat-treater heavy-headed heavyhearted hereditivity hydra-headed radderahatti re-reiterate redhathatred retardataire riderideride river-driver tariverdiyev tarreddarter tatararatata tattarrattat teetertartar tetrahedrite tetrahydrate tetrahydride tetraradiate tetraviridae thethethethe thirty-third thirty-three three-headed three-hitter viverravidae yadayadayada