Common
Part of speech: noun
Definition: Mutual good, shared by more than one. A tract of land in common ownership; common land.
Part of speech: adjective
Definition: Mutual; shared by more than one. Occurring or happening regularly or frequently; usual. Found in large numbers or in a large quantity. Simple, ordinary or vulgar. In some languages, particularly Germanic languages, of the gender originating from the coalescence of the masculine and feminine categories of nouns. Of or pertaining to uncapitalized nouns in English, i.e., common nouns vs. proper nouns vernacular, referring to the name of a kind of plant or animal, i.e., common name vs. scientific name
Usual
Part of speech: adjective
Definition: That which most commonly occurs.
Example sentence: When I slept it was literally in the midst of an arsenal. If I heard dogs bark more fiercely than usual, or the feet of horses in a greater volume of sound than usual, I stood to arms.