Not much of a wood guy either but most seem to consider it two names for the same thing,at least the furniture/antique guys around here do.
http://lumberjocks.com/topics/10172

"We do many board feet of Curly-Tiger Maple a year. We have one vendor that calls it Curly and another that calls it Tiger and I found out recently that they both get it from the same supplier. I cannot tell any difference, looks just alike, works the same, smells the same, the splinters hurt the same so Ill tell you what I was told one time by an inspector. Call it what you want its the same thing some boards just have more profound curl than the other boards"

Hillary For Prison 2018