It's common for children to develop language skills at different rates, so there's no need to worry just yet. At 17 months old, your baby girl may simply be more familiar with the word "baba" because it's used more frequently in your household or she finds it easier to pronounce. Keep in mind that every child is unique and will reach milestones at their own pace. Encourage your wife not to take it personally as this is a normal part of language development. Instead, focus on creating a nurturing environment where your daughter feels comfortable expressing herself. Engage in activities that promote language skills, such as reading books together or singing songs that include the word "anne." If you're still concerned about her speech development after a few more months, consult with a pediatrician or speech therapist for further guidance and support.