query: SELECT ?item ?cylabel ?commonname WHERE {
  
  ?item p:P1843 ?statement .
  ?statement ps:P1843 ?commonname .
  ?statement prov:wasDerivedFrom ?ref .
  ?ref pr:P248 wd:Q23002367 .
  
  ?item rdfs:label ?cylabel filter (lang(?cylabel) = "cy") .
  filter (lcase(?cylabel) != lcase(?commonname) ).
  
  } order by ?cylabel