The possessive form someone's is one word. The plural would rarely be used (e.g. the someones in the various crimes proved to be a single individual).
Virtues, attributes.
Two words - "one day".
Anagrams
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.
"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.
The term "in touch" is considered to be two words.
It is two words.
Two words.
Two words.