I forget words a lot. I used to have a pretty extensive vocabulary, but it's a "use it or lose it" kind of thing. When I started having all the health trouble and then the anxiety/panic, I'd simply think about
fewer things. I'd have fewer conversations. Both my world and vocabulary got smaller. It's not like I've forgotten the definitions of words. I still know what they mean, but using the right word is a completely different thing (cognitively).
If your anxiety/panic gets better and you become more conversational, it will come back. At one time I thought I was getting dumber but thankfully that wasn't the case! It was only temporary.
My Brain: My friend, My enemy: A blog to chronicle my attempt to recover from anxiety/panic disorderanxietypanicdisorder.blogspot.com/