▁in ▁his ▁early ▁texts . ▁He ▁stated ▁that ▁the ▁El v ish ▁words ▁for ▁or c ▁were ▁derived ▁from ▁a ▁root ▁ru ku , ▁" f ear , ▁horror "; ▁in ▁Qu en ya , ▁or co , ▁pl ural ▁or kor ; ▁in ▁S ind arin ▁orch , ▁pl ur als ▁y r ch ▁and ▁Or ch oth ▁( as ▁a ▁class ). ▁They ▁had ▁similar ▁names ▁in ▁other ▁Middle - ear th ▁languages : ▁u ru k ▁in ▁Black ▁Spe ech ▁( rest rict ed ▁to ▁the ▁larger ▁soldier - or cs ); ▁in ▁the ▁language ▁of ▁the ▁Dr ú ed ain ▁g org û n , ▁" ork - folk "; ▁in ▁Kh uz d ul ▁r uk hs , ▁pl ural ▁ra kh â s ; ▁and ▁in ▁the ▁language ▁of ▁R oh an ▁and ▁in ▁the ▁Common ▁Spe ech , ▁or ka . ▁ ▁Tol k ien ▁stated ▁in ▁a ▁letter ▁to ▁the ▁novel ist ▁Na omi ▁Mitch ison ▁that ▁his ▁Or cs ▁had ▁been ▁influenced ▁by ▁George ▁Mac Donald ' s ▁The ▁Princess ▁and ▁the ▁G ob lin . ▁ ▁He ▁explained ▁that ▁his ▁" or c " ▁was ▁" der ived ▁from ▁Old ▁English ▁or c ▁' dem on ', ▁but ▁only ▁because ▁of ▁its ▁ph on etic ▁suit ability ", ▁and ▁▁▁▁▁ ▁Tol k ien ▁also ▁observed ▁a ▁connection ▁with ▁the ▁Latin ▁word ▁or cus , ▁not ing ▁that ▁" the ▁word ▁used ▁in ▁translation ▁of ▁Q [ uen ya ] ▁ur ko , ▁S