Synonyms of deterrent

1 Syllable
curb, leash, rein, reins, check
2 Syllables
braked, jam-up, headstall, bridle, leashes, reining, leashing, reined, cinchers, leashed, braking, brake, shackle
3 Syllables
preemptive, obstacle, determent, defense, deterring, hindrance
4 Syllables
impediment, preclusive, hackamore, preventive
5 Syllables
preventative, disincentive, discouragement