solicitude

a feeling of excessive concern

I walked to his house in the rain to make sure he had enough to eat while he was sick, but he seemed not to appreciate my solicitude.

The child, become an object of anxious solicitude, is usually restrained from the more hardy play of his young neighbors, and a retarded physical development is the result.

The real and principal object of my anxiety and solicitude is you, and the situation in which you have been so unjustly placed, by the circumstances which have taken place.

Note that you can build your GRE vocabulary via Vocab Assistant app hosted in facebook messenger.