birthday

noun 0.759

birthday problem

noun 0.721

greeting card

noun 0.716

birthday boy

noun 0.696

birthday girl

noun 0.664

birthday paradox

noun 0.598

thank you card

noun 0.596

card

noun 0.585

date of birth

noun 0.582

many happy returns

noun 0.564

playing card

noun 0.563

credit card

noun 0.561

black card

noun 0.552

name day

noun 0.548

bankcard

noun 0.547

postcard

noun 0.547

cash card

noun 0.547

birthday attack

noun 0.545

cards

noun 0.536

trade card

noun 0.529

baseball card

noun 0.528

contact card

noun 0.522

holy card

noun 0.521

keycard

noun 0.520

sweet sixteen

noun 0.520

calling card

noun 0.520

yellow card

noun 0.519

cardboard

noun 0.517

memory card

noun 0.514

surprise party

noun 0.513

anniversary

noun 0.512

visiting card

noun 0.511

gift certificate

noun 0.508

flashcard

noun 0.506