After and Per

After adjective - Being at or in the part of something opposite the front part.

Per and after are semantically related in beside topic. In some cases you can use "Per" instead a preposition "After", when it comes to topics like by, to, for.

Per adverb - For each one.

After and per are semantically related in beside topic. Sometimes you can use "After" instead a preposition "Per", if it concerns topics such as by, to, for.