| compete(verb, meet, oppose, fight, struggle) |
| concentrate on(verb, expression, phrasal verb, give, direct) |
| condemn(censure, object, blame, blast, protest) |
| contest(verb, meet, oppose, fight, challenge) |
| contradict(verb, challenge, deny, doubt, question) |
| criticize(verb, attack, blast, protest, complain) |
| cross(charge, maintain, argue) |
| debate(verb, charge, maintain, dispute, tell) |
| defend(charge, maintain, argue) |
| deny(verb, challenge, doubt, question, contest) |
| descend on |
| descend upon |
| devote oneself to(verb, expression, idiom, phrasal verb, give) |
| dictate(charge, maintain, defend, argue) |
| dig(verb, give, direct, turn, deliver) |
| direct(verb, give, turn, deliver, try) |
| disaffirm(verb, challenge, deny, doubt, question) |
| doubt(verb, challenge, deny, question, contest) |
| draw first blood(expression, idiom) |
| embark in |