Beware, older languages below!
The languages below were invented during Tolkien's earlier period and should be used with caution.
Remember to never, ever mix words from different languages!
Gnomish
thasc
adjective.shaven
An adjective appearing as G. {thathra >>} thasc “shaven” in the Gnomish Lexicon of the 1910s, an adjectival form of G. thas- “shave” (GL/72).
Neo-Sindarin: I would adapt this word as ᴺS. thasg “shaven” for purposes of Neo-Sindarin, since *sc* usually became *sg* in Sindarin of the 1950s and 60s.
An adjective appearing as G. {thathra >>} thasc “shaven” in the Gnomish Lexicon of the 1910s, an adjectival form of G. thas- “shave” (GL/72).
Neo-Sindarin: I would adapt this word as ᴺS. thasg “shaven” for purposes of Neo-Sindarin, since *sc* usually became *sg* in Sindarin of the 1950s and 60s.