does your 18 month old know a lot of words?

mamaB • Two girls 💕 pregnant with girl #3 due May 30th 2022 💓

my toddler knows maybe 9-10 words up till now and I worry it isnt much. my doctor says its exactly what she should be at but I still worry as I have a family member that says she doesn't know a lot of words because she doesn't go to daycare.