nouns
the state of being joined together
the inflection of verbs
is a type of (narrower)
a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function
the complete set of inflected forms of a verb
is a type of (narrower)
a group of things of the same kind that belong together and are so used
"a set of books"; "a set of golf clubs"; "a set of teeth"
a class of verbs having the same inflectional forms
is a type of (narrower)
a collection of things sharing a common attribute
"there are two classes of detergents"
the act of pairing a male and female for reproductive purposes
"the casual couplings of adolescents"; "the mating of some species occurs only in the spring"
the act of making or becoming a single unit
"the union of opposing factions"; "he looked forward to the unification of his family for the holidays"