If she uses medical terms, like "breasts," she's insecure with herself.
If she uses normal informal words, like "boobs," she's okay with her body.
If she uses porn terms/curse words, like "tits," she likes her body and probably shows it off.
You can also tell how she feels about other women using this same logic in reverse. The more modest the words, the more attracted/jealous she is. The more crude the words, the more disgusted/annoyed she is at another woman being unmodest.
there doesn't seem to be anything here