Noldorin 

oegas

noun. mountain peak

The noun N. oegas “mountain peak” appeared in The Etymologies as a noun form of oeg “sharp, pointed, piercing” (Ety/AYAK). In Noldorin, often ancient *ai* became *oe*, whereas in Sindarin *ai* fairly consistently became *ae*. Thus if adapting this word to Sindarin, its form would likely be ᴺS. aegas, as suggested in Hiswelókë’s Sindarin Dictionary (HSD/aegas).

Noldorin [Ety/AYAK] Group: Eldamo. Published by

oegas

noun. mountain peak

Noldorin [Ety/349, X/OE] Group: SINDICT. Published by

menniath

noun. many points

Noldorin [Mornvenniath TI/124, Lambengolmor/799] Group: SINDICT. Published by

menniath

noun. range of mountains

Noldorin [Mornvenniath TI/124, Lambengolmor/799] Group: SINDICT. Published by

oeglir

noun. range of mountain peaks

Noldorin [Hithaeglir LotR, Ety/349, X/OE] aeg+lîr. Group: SINDICT. Published by

orod

noun. mountain

Noldorin [Ety/379, S/435, Letters/263, TC/178, RC/621] Group: SINDICT. Published by

orod

noun. mountain

Noldorin [Ety/LUG²; Ety/ÓROT; Ety/STAG; LR/298; PE22/041; TI/028; TI/124; TI/420] Group: Eldamo. Published by

orodrim

noun. range of mountains

Noldorin [Ety/379] orod+rim. Group: SINDICT. Published by