the potential form is made by using the え stem of a godan verb and adding the 「る」 potential helper verb (or adding 「られる」 to the base for ichidan verbs)
the potential form is usually “self-move”
the potential form can be “other-move” in modifying clauses
「見る」 (dictionary form)
「見られる」 (regular potential form)
usually refers to having the opportunity to see something
「見れる」 uses the practice of 「ら抜き」 (removing the 「ら」)
「見える」 (irregular potential form)
usually refers to being physically able to see something
can also be used to say that something “looks like” something
ex: 「彼はカエルに見える。」 means “He looks like a frog.”
「聞く」 (dictionary form)
「聞ける」 (regular potential form)
「聞こえる」 (irregular potential form)
can be used to say that something “sounds like” something