Premise: Thus we now have the big A as well as the A-word and the M-question as well as the M-word .  Perhaps we shall see such forms as the little A , the new A , or the A-option . If these variants prove productive, the lexicon of one-letter words could  spread like wild flowers,  as Sam Goldwyn once said.

Hypothesis: There are different questions fro the different words
Relation: neutral