Water is the commonest solvent.
The commonest method is to add one or more of the five elements of water, fire, earth, wood, and metal to one's name.
The fastest and slowest, longest and shortest, commonest and most precious thing in the world is time.
The commonest thing is delightful if only one hides it. 再普通的東西,只要你把它藏起來,它就討人喜歡。
Glucosamine (from glucose) is one of the commonest amino sugars.
Of these minerals, kaolinite, illite and chlorite are commonest.