There are plenty of alternatives to W3W, most notably Open Location Codes: https://en.wikipedia.org/wiki/Open_Location_Code
Alternatively, try a W3W parody:
http://www.what3fucks.com (NSFW text)
the pretty landing-page version of Open Location Codes (marketed as Plus Codes): https://plus.codes/
I just noticed these on Google maps for a business location.
Is Plus Codes a Google project or just a partnership?