Next and Nearer

Next adjective - Being the one that comes immediately after another.

Nearer and next are semantically related In some cases you can replace term "Nearer" with "Next", this adjectives are similar.

Nearer adverb - (comparative of `near' or `close') within a shorter distance.

Next and nearer are semantically related in forthcoming topic. Sometimes you can use "Next" instead an adjective "Nearer".