American English -- Is it 1 or 2 Words -- Page 3

8. awhile -- a while

You may have to wait awhile. (Adverb is one word).
You may have to wait for a while. (Noun is one word, preceded by an article "a").

9. everyday -- every day

You'll soon master the everyday (ordinary or daily) routine of the job.
He has called every day (each day) this week.

10. everyone -- every one

Every one of us (each person in the group) will go. (Preceding an "of" is two words).
Everyone (everybody) likes to be appreciated. (Not followed by an "of" is one word).

11. indifferent -- in different

She was indifferent (not caring one way or the other) to the offer.
He wanted it expressed in different (in other) ways.

12. indirect -- in direct

Indirect (not direct) lighting will enhance the appearance of the room.
The order was in direct (opposite) conflict with our policy.