Im not sure if i spelled the title of the thread right, but oh well. 
What you do is you post either an acronym or antonym of the previously posted word. So, if the word was cat, you could either say feline (as the acronym) or dog (as the antonym)
For the acronyms, they dont have to mean the exact same thing, but sort of close, so lion could be an acronym for cat since lion is a type of cat.
Ill start off with the first word:
Plain
What you do is you post either an acronym or antonym of the previously posted word. So, if the word was cat, you could either say feline (as the acronym) or dog (as the antonym)
For the acronyms, they dont have to mean the exact same thing, but sort of close, so lion could be an acronym for cat since lion is a type of cat.
Ill start off with the first word:
Plain