simple past tense and past participle of pervestigate

simple past tense and past participle of checksum

An English surname originating as an occupation derived from the occupation of trapper. / A surname from German, either from Trappe (bustard) or Treppe (flight of stairs).

A surname. / A village and civil parish (without a council) in Cotswold district, Gloucestershire, England (OS grid ref SP1833).