The prerequisite social technology required to make a prostitution scheme "work"-- as a libidinal pressure valve that solves the defection problem of men ruining promiscuous women-- would have to be at a level of advancement that said scheme would be moot or redundant..
If your society can cleanly delimit literal whores and -non into a binary, it should be able to do the same with sluts & -non. The latter for the most part describes the pre-1920s US.