One of the commonest petty complaints is of misrouting of freight.
In fact Lee and Ford are among our commonest local surnames.
His love so glorified her that by contrast he was commoner than commonest clay.
The most fatal neglect is that of study; and perhaps it is the commonest.
In the commonest conversation he showed himself a man of genius.
At Amara, paratyphoid A was commonest in the troops coming down from the Front.
The commonest rhythmical licences are inversion of accent and initial truncation.
On the other hand, fines were among the commonest things in existence.
The commonest serving-maid who walks the streets of Cadiz would put to shame a whole score of our mincing and wriggling belles.
Fracture of the collar bone is one of the commonest accidents.
c.1300, "belonging to all, general," from Old French comun "common, general, free, open, public" (9c., Modern French commun), from Latin communis "in common, public, shared by all or many; general, not specific; familiar, not pretentious," from PIE *ko-moin-i- "held in common," compound adjective formed from *ko- "together" + *moi-n-, suffixed form of root *mei- "change, exchange" (see mutable), hence literally "shared by all."
Second element of the compound also is the source of Latin munia "duties, public duties, functions," those related to munia "office." Perhaps reinforced in Old French by the Germanic form of PIE *ko-moin-i- (cf. Old English gemæne "common, public, general, universal;" see mean (adj.)), which came to French via Frankish.
Used disparagingly of women and criminals since c.1300. Common pleas is 13c., from Anglo-French communs plets, hearing civil actions by one subject against another as opposed to pleas of the crown. Common prayer is contrasted with private prayer. Common stock is attested from 1888.
late 15c., "land held in common," from common (adj.). Commons "the third estate of the English people as represented in Parliament," is from late 14c. Latin communis also served as a noun meaning "common property, state, commonwealth."