Sicklinesses [noun]

They tried to raise a cheer, but the attempt died in its own sickliness.

Who would suspect the composer's fragility and sickliness in this work?

The powers of Hyde seemed to have grown with the sickliness of Jekyll.

To-day some amount of sickliness and headache is bothering me, but nothing to signify….

Ugliness and squalor she knew; but sickliness was new to her.

In the Middle Ages saintliness was often associated with sickliness.

Amidst the sickliness and wane of things, neither poet nor saint survives his laurel for more than a day.

His sickliness, studies, and the troubles he met with, turned his hair gray before the usual time.

On the low mounds, that looked like heaps of sifted ashes, struggled now and then into sickliness a ragged, twisted shrub.

I awoke, however, with a feeling of sickliness, which was speedily succeeded by one of horror.