Sore
<B>1.</B> (adjective) A popular term for painful.
I have sore fingers from typing dictionary terms.
She has a sore throat.
<B>2.</B> (noun) A nondescript term for nearly any lesion of the skin or mucous membranes.
He has a number of sores in his mouth.<BR> The word sore traces its origin to the Anglo-Saxon term sar which meant distressing, grievous, painful.
(Sorry also comes from sar.)