Freethinking and Self-interest

Freethinking noun - The doctrine that reason is the right basis for regulating conduct.

Self-interest and freethinking are semantically related. In some cases you can use "Self-interest" instead a noun "Freethinking".

Self-interest noun - Excessive interest in oneself.

Freethinking and self-interest are semantically related. Sometimes you can use "Freethinking" instead a noun phrase "Self-interest".