擂り粉木[surikogi] wooden pestle
胡麻擂[gomasuri] sycophant
擂り込む[surikomu] to rub in
擂潰す[suritsubusu] to mash
擂鉢[suribachi] (earthenware) mortar (for grinding)

擂る[suru] to rub
擂れる[sureru] to rub
味噌擂り[misosuri] grinding miso
味噌擂り坊主[misosuribouzu] a low-ranking priest
擂り餌[surie] ground food

偏芯[henshin] eccentricity (in mechanics, electronics, etc.)
燈芯[toushin] (lamp) wick
帯芯[obishin] thick obi sash
摘芯[tekishin] thinning (buds and branches)
芯地[shinji] padding

替え芯[kaeshin] spare lead
鉛筆の芯[enpitsunoshin] lead of a pencil
硬の芯[kounoshin] hard pencil lead
林檎の芯[ringonoshin] core of an apple