First there was the open-source CyanogenMod version of Android.

First there was the open-source CyanogenMod version of Android. Then Cyanogen was a for-profit spinoff of that effort. Now Cyanogen has introduced Cyanogen MOD. Now, that’s not confusing at all!

Originally shared by Artem Russakovskii

Cyanogen MOD =/= CyanogenMod.

This branding of an already confusing to people concept (Cyanogen vs CyanogenMod) is not going to be confusing at all. 

http://www.androidpolice.com/2016/02/22/cyanogen-launches-a-new-mod-platform-for-deeper-integration-of-apps-in-android-not-to-be-confused-with-the-cyanogenmod-custom-rom