commonplace indicates that it also common and also average/mediocre/pedestrian etc.
Edit to add reference - autocompletion from google results the following
1. not unusual; ordinary. "unemployment was commonplace in his trade" synonyms: ordinary, run-of-the-mill, middle-of-the-road,
mainstream, unremarkable, unexceptional, undistinguished, uninspired,
unexciting, unmemorable, forgettable, indifferent, average, so-so,
mediocre, pedestrian, prosaic, lacklustre, dull, bland, uninteresting,
mundane, everyday, quotidian, humdrum, hackneyed, trite, banal,
clichéd, predictable, overused, overdone, overworked, stale, worn out,
time-worn, tired, unoriginal, derivative; antonyms: outstanding,
original, unusual not interesting or original; trite. "the usual
commonplace remarks" noun noun: commonplace; plural noun:
1. a usual or ordinary thing. "bombing has become almost a commonplace of public life there" synonyms: everyday thing/event;
a trite saying or topic; a platitude. "it is a commonplace to talk
of the young being alienated" synonyms: platitude, cliché, truism,
hackneyed/trite/banal/overworked saying, stock phrase, old chestnut,
banality, bromide "he had a great store of commonplaces which he
adapted to any subject"
2. a notable passage in a work copied into a commonplace book.