os (ost-) noun "house, cottage" (LT2:336; hardly valid in LotR-style Quenya writers may use coa or már)
Quenya
irin
town
osto
noun. city
os
house, cottage
indo
house
indo (2) noun "house" (LT2:343), probably obsoleted by #1 above (in Tolkiens later Quenya, the word for "house" appears as coa).
opelë
walled house or village, 'town'
opelë noun "walled house or village, 'town' " (PEL(ES) )
hostar
tribe
hostar noun "tribe" (LT2:340)
irin noun "town" (LT2:343; hardly a valid word in Tolkien's later Quenya)