birthday problem

noun 0.794

birthday card

noun 0.759

birthday boy

noun 0.759

birthday girl

noun 0.737

date of birth

noun 0.724

birth

noun 0.685

birthday paradox

noun 0.685

name day

noun 0.659

day

noun 0.623

anniversary

noun 0.614

date

noun 0.601

birt

noun 0.600

birthday attack

noun 0.595

celebration

noun 0.588

public holiday

noun 0.580

celebrating

noun 0.571

the day

noun 0.571

national holiday

noun 0.570

many happy returns

noun 0.566

feast day

noun 0.552

live birth

noun 0.551

year

noun 0.549

birthplace

noun 0.549

holiday

noun 0.549

natural birth

noun 0.543

sweet sixteen

noun 0.540

personal day

noun 0.539

baby

noun 0.535

day off

noun 0.535

childbirth

noun 0.531

noun

noun 0.530

one-year-old

noun 0.529

surprise party

noun 0.528

day boy

noun 0.527

baby shower

noun 0.526

legal holiday

noun 0.526

yearly

noun 0.525

homebirth

noun 0.524

leap year

noun 0.524

christening

noun 0.522

party

noun 0.522

happy

noun 0.521

calendar

noun 0.517

baby boy

noun 0.516

due date

noun 0.515

babyhood

noun 0.515

giving birth

noun 0.514

thanksgiving

noun 0.513

newborn

noun 0.513

bird

noun 0.512

yesterday

noun 0.511

working day

noun 0.510

water birth

noun 0.509

biography

noun 0.508

festival

noun 0.508

leap day

noun 0.506

calendar year

noun 0.505

backdate

noun 0.505

nativity

noun 0.503

day of days

noun 0.500