ulca adj. "evil, bad, wicked, wrong" (QL:97, VT43:23-24, VT48:32, VT49:14; compounded in henulca "evileyed", SD:68); variant olca, q.v. Compare noun ulco. The adj. ulca may also itself be used as a noun "evil", as in the ablative form ulcallo "from evil" (VT43:8, 10) and the sentence cé mo quetë ulca *"if one speaks evil" (VT49:19).
Quenya
olca
evil, bad, wicked
olca
adjective. bad, wicked
ulca
evil, bad, wicked, wrong
naxa
adjective. evil
naxa
noun/adjective. evil
ulco
evil
ulco (stem #ulcu-) noun "evil", pl. *ulqui (VT43:23-24; the stem-form is attested in the ablative case: ulcullo "from evil", VT43:12)
ulco
noun. evil
urra
adjective. bad
ú-
prefix. bad, uneasy, hard
úmëa
evil
úmëa (2) adj. "evil" (UGU/UMU). Obsoleted by #1 above? Possibly connected to úmëai in Narqelion, if that is a "Qenya" plural form.
úra
evil, nasty
úra (1) adj. "evil, nasty" (VT43:24, VT48:32)
úro
evil
úro noun "evil" (VT43:24); Tolkien may have abandoned this form in favour of ulco, q.v.
olca adj. "evil, bad, wicked" (VT43:23-24, VT48:32, VT49:14, PE17:149). The root meaning implies "wickedness as well as badness or lack of worth" (PE17:170). Variant of ulca.