AROUNDFinds two words separated by at most a given number of words.
AROUND followed by a number sets the maximum distance between two words: holiday AROUND 10 vacation searches for both within ten words of each other.
holiday AROUND 10 vacationOpen in Gmail ↗"holiday" and "vacation" within ten words.
"secret AROUND 25 birthday"Open in Gmail ↗Same idea, with "secret" required first.