eclecticism vs decision making

eclecticism and decision making both are nouns.

Word	Noun	Adjective	Verb	Adverb
eclecticism	Yes	No	No	No
decision making	Yes	No	No	No

As nouns, decision making is a hypernym of eclecticism; that is, decision making is a word with a broader meaning than eclecticism:

eclecticism: making decisions on the basis of what seems best instead of following some single doctrine or style
decision making: the cognitive process of reaching a decision

Other hypernyms of eclecticism include deciding.

eclecticism (noun)	decision making (noun)
making decisions on the basis of what seems best instead of following some single doctrine or style	the cognitive process of reaching a decision