arrange, arrangement; arrange, arranging.
Similar are:
gauge, manage, balance, finance, peace, service, amuse, use.
202. Words in -dge do not retain the e before endings; as, acknowledge, acknowledgment, acknowledged, acknowledging.
Similar are:
nudge, judge.
203. Most words ending in y preceded by a consonant change y to i before all endings except-ing:
busy, business, busied, busying.
Similar are:
duty, mercy, penny, pity, vary, weary, study.