One, because there is no space.
Sometimes is one word.
"After school" is typically written as two words.
The term "in touch" is considered to be two words.
"Pogostick" is typically written as one word.
"Good day" is generally considered to be two words.
Pick up is two words although, depending on how it is used, it is sometimes written with a hyphen between the words like so: pick-up.
Two words: Man trap. But, mantrap is acceptable and sometimes used.
No, but it is sometimes hyphenated. Take off is a phrasal verb and is always written as two words.
"Handmade" is one "compound word", sometimes hyphenated as "hand-made"; not to be confused with handmaid, which is NOT hyphenated.
Sometimes is one word.
sometimes and botox
Road trip is two words. It means a journey via automobile, sometimes unplanned or impromptu.
Two words - "one day".
I can find no evidence to support it ever being correctly written as one word so at the present time it should be written as two. These things can change though many words that were once two were formed as one because of usage. Sometimes one of the words is even shortened as in "Alright".
They are two words conjoined to be 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.
It is two words take it from a 7th grader