relation
The manner in which two things may be associated.
A member of one's extended family; a relative.
(in the plural) A relationship; the manner in which and tone with which people or states, etc. interact.
The act of relating a story.
(set theory) A set of ordered tuples.
(set theory) ''Specifically'', a set of ordered pairs; a binary relation.
(databases) A set of ordered tuples retrievable by a relational database; a table.
(mathematics) A statement of equality of two products of generators, used in the presentation of a group.
(category theory) A subobject of a product of objects.
(sexual activity) (in the plural) The act of intercourse.