Quenya 

runda

smooth, polished

runda (1) adj. "smooth, polished" (PE17:89)

runda

rough piece of wood

runda (2) noun "rough piece of wood" (RUD)

runda

adjective. smooth, polished, smooth, polished; *polite

An adjective for “smooth, polished” appearing in notes from the late 1950s or early 1960s based on the root √RUN “rub, grind, smooth, polish”.

Neo-Quenya: Luinyelle suggested on 2024-04-13 in the Vinyë Lambengolmor Discord Server (VLDS) giving this word the extended meaning “polite” based on horna “rough; rude”; see that entry for discussion.

passa

smooth, glabrous

passa adj. "smooth, glabrous" (PE17:171)

pasta

smooth

pasta (2) adj. "smooth" (PATH), variant of passa