-core

A suffix added to a word to create a general concept of a certain aesthetic, style, subculture, trend, or way of life, indicating the essence of that concept.

The formed word can denote the affiliation of a phenomenon, concept, or person to an aesthetic, style, subculture, or way of life.

a/ Hardcore, Y2K-core, Weirdcore etc.

b/ – I admire taking long bathes and keeping my house clean.
– Girl, you are so *cleancore*!