悪習慣[akushuukan] bad habit
慣らす[narasu] to accustom
慣れ[nare] practice
慣れる[nareru] to grow accustomed (to)
慣行[kankou] customary practice

慣行取引き[kankoutorihiki] usual business practices (practises)
慣習[kanshuu] usual (historical) custom
慣性[kansei] inertia
慣用[kanyou] common
慣用句[kanyouku] idiomatic usage

一貫[ikkan] consistency
一貫して[ikkanshite] consistently
一貫性[ikkansei] consistency
一貫番号[ikkanbangou] serial number
看貫[kankan] weighing

貫き通す[tsuranukitoosu] to go through
貫く[tsuranuku] to go through
貫通[kantsuu] pierce
貫徹[kantetsu] accomplishment
貫流[kanryuu] flowing through