felya noun "cave" (PHÉLEG), "mine, boring, tunnel, underground dwel[ling]" (PE17:118)
Quenya
felco
cave, mine, underground dwelling
felya
cave
rotelë
cave
rotelë noun "cave" (LT2:347)
rotto
cave, tunnel
rotto noun "cave, tunnel" (VT46:12), "a small grot or tunnel" (PM:365)
tel
roof
tel noun "roof" (LT1:268). Rather tópa in Tolkiens later Quenya.
tópa
roof
tópa noun "roof" (TOP)
tópa-
roof
tópa- vb. "roof" (TOP)
felco noun "cave, mine, underground dwelling" (PE17:118); also felca, felehta