...no

You do realize in make up terms those two are synonymous.....the trick is to match your skin tone on your face or the tone of your lips most likely the top cause its usually darker than the bottom. 

when i think of nude, i think of "naked". your lips look naked and blend into your face. for example, my nc 45 skin would wear a nude that'd be more caramel-y than a nw 50's chocolate.

but at the same time, to each their own. makeup, like weave has no true rules. the standard guidelines are if it's flattering and blends, it's okay. as long as it's neat who am i to tell anyone what to wear.

But its the one when that guy said he needed a moment to process it all, they left him in the bedroom and he climbed out the window