Syphilide :: Syphering (n.) The lapping of chamfered edges of planks to make a smooth surface, as for a bulkhead..
Syphilis :: Syphilide (n.) A cutaneous eruption due to syphilis.
Syphilitic :: Syphilis (n.) The pox, or venereal disease; a chronic, specific, infectious disease, usually communicated by sexual intercourse or by hereditary transmission, and occurring in three stages known as primary, secondary, and tertiary syphilis. See under Primary, Secondary, and Tertiary..
Syphilitic :: Syphilitic (a.) Of or pertaining to syphilis; of the nature of syphilis; affected with syphilis.