Although, there is considerable overlap of meaning, there is the difference. "Common" is word that predominantly means that something has no special distinction or quality, that it is average, ordinary and usual. "Commonplace" can add to "common" some kind of negative value judgement, like that something is dull and unexciting or repeated too often.
Common vs. Commonplace
Although, there is considerable overlap of meaning, there is the difference. "Common" is word that predominantly means that something has no special distinction or quality, that it is average, ordinary and usual. "Commonplace" can add to "common" some kind of negative value judgement, like that something is dull and unexciting or repeated too often.