It is a compound word. Combination of birth and day.
Two words - "one day".
It is two words. Writing it as one is acceptable in the UK and is referred to as a "Britishism." But in American grammar, it is always two separate words.
It is two words take it from a 7th grader
I recommend class work, as two words.
Two words.
Yes, unless you are talking about someone's birthday and it is one word.
"Birthday" is one word because it is a compound noun formed from "birth" and "day." When two words are combined to create a single concept or idea, they often become one word for easier communication and understanding.
Thirteenth august two thousand eight
The true answer is 1. Birthday is one full word but, it does have 2 syllables.
Two words...Sticky Kicks!
Two words - "one day".
They are two words conjoined to be one.
Two and one
It is two words. Writing it as one is acceptable in the UK and is referred to as a "Britishism." But in American grammar, it is always two separate words.
"After school" is typically written as two words.
It is two words take it from a 7th grader
I recommend class work, as two words.