Synonyms of anodyne

2 Syllables
soother, spinal, calmant
3 Syllables
hypnotic, painkiller, inhalant, narcotic, aspirins, nepenthe, opiate, painkillers, laudanum, aspirin, pain-killer
4 Syllables
analgesic, anaesthetic, anesthetic, immersive, dormitive, sedative, tranquillizer, calmative
5 Syllables
trance-inducing, barbiturate