Istar

wizard

Istar noun "Wizard", used of Gandalf, Saruman, Radagast etc. Pl. Istari is attested. Gen. pl. in the phrase Heren Istarion "Order of Wizards" (UT:388). "The istari are translated wizards because of the connexion of wizard with wise and so with witting and knowing" (Letters:207); by this translation Tolkien tries to reproduce the relationship between Quenya istar and ista- #1, 2.

ista

knowledge

ista (1) noun "knowledge" (IS). Also istya.

istare

noun. knowledge

istya

knowledge

istya noun "knowledge" (IS). Also ista (#1).

curuvar

wizard

curuvar _("k")_noun "wizard" (LT1:269 but Gandalf, Saruman etc. were istari)

Nolmë

knowledge, philosophy (including science)

Nolmë ("ñ")noun "knowledge, Philosophy (including Science)" (PM:360 cf. 344)

handë

knowledge, understanding, intelligence

handë noun "knowledge, understanding, intelligence" (KHAN). Note: *handë is (probably) also the past tense of the verb har- "sit".

issë

knowledge, lore

issë noun "knowledge, lore" (LT2:339; rather ista or istya in Tolkien's later Quenya)

sairon

wizard

sairon noun "wizard" (SAY); according to LT2:337 and GL:29, Sairon is also the Quenya (or Qenya) name of Dairon (Daeron).