I would just talk to her pediatrician. Just sounds like she’s behind on your verbal skills.
My son was the same way and I felt like something was off but his dr was saying he’s fine and all babies develop different but she did recommend me to an behavioral specialist to ease my mind
I would say talk to her doctor cause my 2yr old sister started talking and then stoped when I moved out of my parents house and when I moved back she started saying more words but her doctor says every kid is completely different