birthday

As a verb whelped

is (whelp).

As a noun birthday is

the anniversary of the day on which someone is born.

As nouns the difference between daytime and birthday

is that daytime is the time of daylight; the time between sunrise and sunset while birthday is the anniversary of the day on which someone is born.

As an adjective daytime

is pertaining to daytime; appropriate to the day.

As nouns the difference between natality and birthday

is that natality is (demography) the ratio of live births in an area to the population of that area; expressed per 1000 population per year while birthday is the anniversary of the day on which someone is born.

As nouns the difference between century and birthday

is that century is a period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100; a yearhundred while birthday is the anniversary of the day on which someone is born.

As nouns the difference between annuity and birthday

is that annuity is a specified income payable at stated intervals for a fixed or a contingent period, often for the recipient’s life, in consideration of a stipulated premium paid either in prior installment payments or in a single payment for example, a retirement annuity paid to a public officer following his or her retirement while birthday is the anniversary of the day on which someone is born.

As a pronoun me

is my; of mine.

As a noun birthday is

the anniversary of the day on which someone is born.

As nouns the difference between birthday and date

is that birthday is the anniversary of the day on which someone is born while date is the fruit of the date palm, Phoenix dactylifera, somewhat in the shape of an olive, containing a soft, sweet pulp and enclosing a hard kernel.

As a verb date is

to note the time of writing or executing; to express in an instrument the time of its execution.

As nouns the difference between birthrates and birthday

is that birthrates is while birthday is the anniversary of the day on which someone is born.

As nouns the difference between birthday and birthdaye

is that birthday is the anniversary of the day on which someone is born while birthdaye is .