particularism vs focussing

particularism and focussing both are nouns.

Word	Noun	Adjective	Verb	Adverb
particularism	Yes	No	No	No
focussing	Yes	No	No	No

As nouns, focussing is a hypernym of particularism; that is, focussing is a word with a broader meaning than particularism:

Other hypernyms of particularism include centering, centring, direction, focal point, focus, focusing.

particularism (noun)	focussing (noun)
a focus on something particular	the concentration of attention or energy on something