Quenya 

noirë

noun. tomb

A plural element in the name Noirinan “Valley of Tombs” (UT/166), so perhaps ✱noire in the singular. It may be related to loico “corpse” via an unattested root (N)DOY as suggested by David Salo in a post on the Elfling mailing list in 2012.

noirë

tomb

#noirë noun "tomb", isolated from Noirinan, q.v. This compound may suggest that noirë has the stem-form noiri-, unless the compound is supposed to contain a plural form "tombs".

Noirinan

valley of the tombs

Noirinan noun the "Valley of the Tombs" in Númenor (evidently *noirë*, noiri- "tomb" + nan** "valley") (UT:166)

Sindarin 

haudh

tomb

haudh (i chaudh, o chaudh) (burial mound, barrow, grave), pl. hoedh (i choedh), coll. pl. hodhath

haudh

tomb

(i chaudh, o chaudh) (burial mound, barrow, grave), pl. hoedh (i choedh), coll. pl. hodhath