Oops, I meant there is a difference between the two in my Yoshinkan school, but not my aikikai school (which was AAA until around 2000.)
AAA was a huge organization until its kancho, Toyoda Fumio, passed away and many people split off in the following years (including us) and it has gotten smaller.
Toyoda Sensei was a student at Aikikai honbu, but went with Tohei Sensei when he split from honbu b/c Tohei was his first teacher and their family's were neighbors for something like 200 years. Then Toyoda Sensei split from Tohei Sensei and started the AAA.
Ah, see I told you! See how little I know about the AAA lol