Perhaps you should try some spelling variations:
competitiviness » scompetitiveness, competitivenest, competitivenes
ccompetitiveness » scompetitiveness, competitivenest, competitivenes, ccompetitionness
ccompetitives » competitivenes, competitions, competitively, ccompetitions
competitiveness » competitionness
competitive » competition

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((competitiviness or competitiveness) or (ccompetitiveness or ccompetitives)) or competitive)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((competitiviness OR competitiveness) OR (ccompetitiveness OR ccompetitives)) OR competitive).
• Adding a wildcard symbol may retrieve word variants: (((competitiviness or competitiveness) or (ccompetitiveness or ccompetitives)) or competitive)*.