Relationship and Two-timing

Relationship noun - The fact or state of having something in common.

Two-timing and relationship are semantically related. In some cases you can use "Two-timing" instead a noun "Relationship".

Two-timing noun - A sexual encounter or relationship between a married person and someone other than their spouse.

Relationship and two-timing are semantically related. Sometimes you can use "Relationship" instead a noun phrase "Two-timing".