Totally agree. Even if "concrete" and "cement" can "properly" be used interchangeably, I myself prefer to use words in a way that recognizes these sorts of dist

Totally agree. Even if "concrete" and "cement" can "properly" be used interchangeably, I myself prefer to use words in a way that recognizes these sorts of distinctions. It keeps language more information rich and historically connected. (And keeps me from being looked down upon by well-educated people who, like myself, incline towards language snobbery :))