御前[omai] you (formerly honorific, now sometimes derog. term referring to an equal or inferior)
御前さん[omaesan] you
已前[izen] ago
以前に[izenni] ago
一人前[ichininmae] becoming adult

一人前になる[ichininmaeninaru] to come of age
一昔前[hitomukashimae] long ago
一歩前進[ippozenshin] (a) step forward
駅前[ekimae] in front of station
駅前通り[ekimaedoori] street in front of station

ペン胼胝[pendako] callus on one's middle finger (from writing)
耳に胼胝ができる[miminitakogadekiru] to be told or made to hear something so often that you (metaphorically) get calluses on your ears
胼胝体[benchitai] corpus callosum

准胝観音[jundeikannon] Cundi (manifestation of Avalokitesvara)
座り胼胝[suwaridako] calluses (on one's ankles, insteps, etc.) caused by sitting seiza