I have often heard mothers of twins say that their twins developed a sort of twin speak. I am pretty sure we aren't mirroring that development because of the girls and their very different levels of development, especially when it comes to speech. It is only recently that Adeline is acquiring words by the day and trying to spontaneously repeat what is said.
I have noticed that the girls are developing their own sort of twin speak. Today, Adeline grabbed my glasses off of my night stand and handed them to me saying, "tank ooo ga ga." Translation - thank you. Well, it is Lila's version of "thank you." Ever since Lila Grace could hand us something and verbalize she would say, "tank ooo ga ga." I realize that I am the one who should be saying, "thank you" but it has always been mixed up with the girls. It was interesting to hear Adeline spontaneously use her twin's version of thank you. She also uses Lila's version of "open please" and "no." Not quite twin speak but something pretty close. It makes me smile for many reasons but mainly because it is indicative of their twinship.