Hard-core and Hard-nosed

Hard-core adjective - Firmly established over time.

Hard-nosed and hard-core are semantically related. In some cases you can use "Hard-nosed" instead an adjective phrase "Hard-core".

Hard-nosed adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.

Hard-core and hard-nosed are semantically related. Sometimes you can use "Hard-core" instead an adjective phrase "Hard-nosed".