As nouns the difference between till and coins
is that
till is a cash register while
coins is plural of lang=en.
As verbs the difference between till and coins
is that
till is to develop so as to improve or prepare for usage; to cultivate (said of knowledge, virtue, mind etc while
coins is third-person singular of coin.
As a preposition till
is to.
As a conjunction till
is until, until the time that.