Ternion and Trilogy

Ternion noun - The cardinal number that is the sum of one and one and one.

Trilogy and ternion are semantically related in trio topic. In some cases you can use "Trilogy" instead a noun "Ternion", when it comes to topics like three, three of something.

Trilogy noun - A set of three literary or dramatic works related in subject or theme.

Ternion and trilogy are semantically related in trio topic. You can use "Ternion" instead a noun "Trilogy", if it concerns topics such as three, three of something.