割り楔[warikusabi] split wedge
楔形[kusabigata] wedge-shape
楔形文字[kusabigatamoji] cuneiform (writing)
楔石[kusabiishi] keystone
楔状[ketsujou] wedge-shaped

楔状骨[ketsujoukotsu] cuneiform (bones)
楔子[kesshi] wedge
合いの楔[ainokusabi] wedge (for securing objects together)
氷楔[hyousetsu] ice wedge

あっとゆう間に[attoiumani] just like that
此間[konaida] the other day
此の間[konokan] the other day
間誤付かせる[magotsukaseru] to fluster
間誤付く[magotsuku] to be confused

クローン人間[kuroonningen] (human) clone
シゾイド人間[shizoidoningen] schizoid person
ベクトル空間[bekutorukuukan] vector space
π中間子[paichuukanshi] pi meson
位相空間[isoukuukan] phase space (physics)