My sympathies are with the allies.
I knew I could count on her undying sympathy.
I have nothing but sympathy for you.
WordNet 3.0 Sense Numbers: 1, 2
NOTE: always "in sympathy".
The two of them were in close sympathy.
We are in sympathy together.
They abandoned their jobs in sympathy with one another.
WordNet 3.0 Sense Numbers: 3