The most common and most likely answer to this crossword clue is the 2 plus 5 letter word GO DUTCH
I've seen this crossword clue in The Guardian
G
O
D
U
T
C
H
More clues leading to the result GO DUTCH
- Travel with wife, pay half each
- Words encouraging wife, perhaps, to pay own share
- Don't pay for each other's fare, people!
- Share costs on condition daughter moves in with child
- Share game with continental
- Split the cost of work with mate
- Share the cost of setter, say, turning up with nasty cut on top of head
- Attempt, with wife, to share expenses equally
- Leave spouse in Bow and settle equitably
- Come on wife, split the bill!
Buddy explains!
The straight part
We know that "Share the cost of" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case share the cost of = go dutch.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.