[lango (3) noun "throat"] (Tolkien also listed the plural form langwi_; in the _Etymologies as printed in LR, Christopher Tolkien improperly prefixed an asterisk as if it were an primitive or wrong form; see VT45:26. This indicates that lango has the stem-form *langu-. Compare ango "snake", stem #angu-, pl. angwi. But whatever the case, lango was changed to lanco.) (LANG, see LANK)
Quenya
ango
snake
ango
noun. dragon
lango
throat
langon
throat
langon noun "throat" (MC:216; this is "Qenya", possibly an inflected form of lango #2 above but Tolkien changed it to lanco)
lanco
throat, swallow
lanco ("k")noun "throat, swallow" _(LAK1 , LANK). _Since this was changed by Tolkien from lango with stem *langu- and pl. langwi, it may be that lanco* should similarly have the stem lancu**- and pl. *lanqui.
angulócë
dragon
angulócë noun("k") "dragon" (LOK)
fenumë
dragon
fenumë noun "dragon" (LT2:341 but lócë is the normal word in LotR-style Quenya)
hlócë
snake, serpent
hlócë ("k")noun "snake, serpent", later lócë ("k")(SA:lok-)
indyo
grandchild, descendant
indyo noun "grandchild, descendant" (ÑGYŌ/ÑGYON - read *inyo in Noldorin Quenya, which dialect changed ndy to ny? Cf. Quenya for Quendya.) In the pre-classical Tengwar system presupposed in the Etymologies, indyo was also the name of tengwa #17 with overposed dots to indicate following y (VT46:4), the whole symbol having the value ndy.
leuca
snake
leuca (1) noun "snake" (Appendix E)
leuca
noun. snake
The best known Quenya word for “snake”, appearing in Appendix E of The Lord of the Rings (LotR/1115). In 1964 notes on Dalath Dirnen (DD), Tolkien said it was derived from the root √LEWEK “worm” (PE17/160).
lócë
dragon, snake, serpent, drake
lócë ("k")noun "dragon, snake, serpent, drake", older hlócë _("k")(SA:lok-, LT2:340, LOK; in the Etymologies the word is followed by "-ī", whatever that is supposed to mean)_
ango noun "snake"; stem angu- as in angulócë (q.v.); pl. angwi (ANGWA/ANGU)