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Use "commonness" in a sentence
"Nothing could have been more commonplace than the whole incident, but the commonness was the beauty of it."
"There was something common about him -- not like the labouring men, but a kind of town commonness, which is twenty times worse to my thinking; and if I didn't like him before, you may guess I didn't waste much love on him when I see poor Ellen's looks."
"In the rest of practical life he walked by hereditary habit; half from that personal pride and unreflecting egoism which I have already called commonness, and half from that naivete which belonged to preoccupation with favorite ideas."