gneiss

(anatomy, immunology) tonsil

transmission, gearbox (mechanical assembly of gears that changes the torque and speed of shaft rotations)

prejudicial treatment, favoritism

to show prejudicial treatment, to display favoritism

(grammar) irregular conjugation / irregularity / (grammar) translative case

a musical arrangement

arrange music

hentaigana: any of the hiragana made obsolete in Meiji-era reforms that enforced having one hiragana for each syllable

bianqing (musical instrument)