scab >> skab
Definition: [noun] a dry, rough protective crust that forms over a cut or wound during healing.
Definition: [noun] mange or a similar skin disease in animals.
Definition: [noun] a person or thing regarded with contempt.
Definition: [verb] become encrusted or covered with a scab or scabs.
Example: I had a cut on my arm that had scabbed over
Definition: [verb] act or work as a scab.
Example: two inspectors who scabbed on the last strike were out this week
Definition: [verb] scrounge.
Example: she tried to scab a fag off me