| unfriendly(adjective, person, trait, competitiveness) |
| warlike(adjective, person, trait, competitiveness) |
| competitiveness |
| aggressive(adjective, person, trait, competitiveness) |
| ambitious(adjective, person, trait, competitiveness) |
| amplitude(noun, nature, feature, environment) |
| belligerent(adjective, person, trait, competitiveness) |
| chronosystem(noun, nature, feature, environment) |
| clustering(noun, nature, feature, environment) |
| combat(noun, conflict, disagreement, difference, contention) |
| compartmentalization(noun, nature, feature, environment) |
| complexity(noun, nature, feature, environment) |
| composting(noun, nature, feature, environment) |
| connectance(noun, nature, feature, environment) |
| contention(noun, conflict, disagreement, difference) |
| couple(noun, company, group, band, team) |
| cutthroat(adjective, person, trait, competitiveness) |
| deforestation(noun, nature, feature, environment) |
| desertification(noun, nature, feature, environment) |
| disagree(noun, conflict, disagreement, difference, contention) |