11.   Their argument reveals their different backgrounds and personalities, their shared malaise and their mutual hostility.

12.   Their mutual hostility was usually carefully masked from the public in the cause of party unity.

13.   WASHINGTONL ... of mutual hostility.

14.   In view of the mutual hostility, the most immediate goal was for a truce.

15.   Israelis and Palestinians have everything to gain by striving to reduce their mutual hostility and getting on with peace.

16.   It was the strongest signal of a rapprochement after nearly two decades of mutual hostility.

17.   Those credentials could help encourage a reduction in mutual hostility between the rival states.

18.   Federal Yugoslavia and Croatia consigned five years of mutual hostility to history Wednesday when they agreed to establish diplomatic relations within weeks, a statement released here said.