"Dost as one says" is an archaic phrase that means "friend, as they say." It is not a single word, but rather a short phrase that has fallen out of common use. Therefore, it is difficult to provide antonyms for this phrase. However, if we break it down to its individual words, we can find some antonyms. For "dost", which means friend, some antonyms can be foe, enemy, or antagonist. For "says," which means to articulate or express words, some antonyms can be muteness, silence, or quiet. Therefore, some antonyms for the phrase "dost as one says" can be "foe as no one says" or "silence, as one doesn't say.